[ cheers and applause ] >> dicky: the "jimmy kimmel live" concert series is presented by at&t, mobilizing your world. >> jimmy: i want to thank chris, zoe, dave, vin, bradley and mia. i want to apologize to matt damon, we ran out of time for him. "nightline" is next. but first, their album is called, "hanging gardens." here with the song "all you're waiting for," with whang, an lyor somigat

♪ circles running round come back for more ♪ ♪ somebody needs a little more everyday ♪ ♪ somebody needs a little give ♪ i'm gonna line it up get on the way ♪ ♪ and take it there again ♪ hey, wait a minute just a minute ♪ and now i'm all you're waitinm♪ for ♪ si♪ eb y's working on the inld e ♪ somebody needs a little more everyday ♪ ♪ somebody needs a little give ♪ i'm gonna line it up get on the way ♪ , nu take it there again

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this is "nightline" -- >> tonight. >> god saved my life. >> those words uttered by an american doctor, who survived the almost always deadly ebola virus. >> today is a miraculous day. >> tonight, as he goes home for a joyful family reunion, was it the medicine? or a medical miracle? and introducing a tougher, racier jessica alba. tonight, she reveals the secrets to that sculpted body and the moves in "sin city." what does she think of all of the nudity in the revenge fantasy of the year? but first, "the nightline five." >> it's time we remodel.

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experimental treatment for the >>ismaco in an disease. dr. brantly and writebol are the first two patients to receive a serum called zmapp. it's an antibody serum, designed to help the body attack the ebola virus, speeding up the body's process of destroying the virus. but zmapp is totally untested and unproven. >> i think it's far too soon to say that this drug had anything to do with their cure. at this point, we don't know if the drug helped, if it hurt or had no effect whatsoever. that's why they have to study it. >> reporter: while doctors in american have to figure out if the drug makes a difference, at the heart of the ebola yououtbr, the epidemic is out of control. ground zero, liberia, where they

could use the serum and a miracle. >> how do you feel about the idea that an experimental drug could be brought to liberia. >> that would be wonderful. right now, it's going to spread. becoming an international problem. to have that and it's working, that would be wonderful for our people. >> i think it would be a good thing. it's, like, it's the better of two evils. you don't do it, people are going to die. >> reporter: in liberia, it doesn't look hopeful. hospitals are few and full. this is what passing for bedside care, holding units for people sick with the disease. with few doctors struggling to find good and clean equipment, it's no wonder the virus is spreading. ebola is highly contagious. it kills up to 90% of the people it infects. and spreads through contact of bodily fluids like blood, sweat,

vomit. symptoms begin with fever, vomiting and blood loss. death comes quickly, often in days. anyone who can survive it needs constant medical attention. and here, that's a rare commodity. patients wait for hours, even days, to get treatment. some will die right here. >> how do you feel about the fact that people have to wait outside because there's no capacity? >> that's a horrible feeling, to be a relative, to be a loved one, to be -- it's really nothing much we can do. we have a few mattresses. going to put the people out in the hallway. >> if anything, i will see a doctor who will help me. >> reporter: she has traveled to the holding unit with six children. she's lost her mother, husband, sister and brother to ebola. and now, her nephew is sick, too. >> i am with him right now.

because he's sick. you see? . >> reporter: health care workers here have become targets of violence and anger. families blame them for spreading the disease or not doing more to control it. angry residents even attack the unit. forcing it to close. >> in this kind of epidemic that we're having, hospitals, should each have a holding unit. >> does anyone have that in town? >> we do not have it >> reporter: two, new centers opened this week, workers are overwhelmed and undersupplied. there seems no end in sight to the suffering from this epidemic. >> i think if we really wanted to see a major difference in africa, we would need to send

over thousands of health care providers to be able to provide the care that these people really need. >> reporter: thousands of miles away, dr. brantly and nancy writebol count their blessings. tonight, they are reunited with their families and asking for prayers for this other side of the world. for "nightline," i'm steve osunsami, in atlanta. up next, i get to sit down with some of the hollywood heartthrobs who mount a passionate defense of all of the sex and violent in "sin city," the second time around. mary has atrial fibrillation, an irregular heartbeat not caused by a heart valve problem. that puts her at a greater risk of stroke. rome? sure! before xarelto®, mary took warfarin, which required monthly trips to get her blood tested. but that's history. back to the museum? not this time! now that her doctor switched her to once-a-day xarelto®, mary can leave those monthly trips behind. domestic flight? not today! like warfarin, xarelto® is proven

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you know, for someone with such a celebrated figure, jessica alba says she's a bit prudish about flaunting it. that is, unless she's in character as one of the sexiest, fearless good girls gone bad. i sat down with her co-stars, as they launch the wildly anticipated sequel to "sin city." they're hoping to reinvent the comic movie genre. but did they succeed? jessica alba knows how to work the curves of her physique. i have to ask the questions tha. you had two kids and those abs?

what the heck, man? >> jennifer johnson. she's choreographer. so much of it was getting comfortable dancing. i'm not a dancer. getting comfortable on stage. and being able to go there and really kind of own it. >> reporter: and the frequent cover girl doesn't disappoint. playing an exotic dancer in "sin city: a dame to kill for." >> i know exactly where i am. i know exactly what i am. >> reporter: jessica's character, nancy, is starred by the loss of her love, hartigan, bruce willis. >> so devoted to her man. and then, to have her heart broken and to be crushed and sort of like spoiled. >> reporter: that's when it turns gritty. horrifyingly edgy. it's jessica alba like you've never seen her before. the movie is chock full of

metaphor. what does it mean that she cuts her hair, cuts herself? >> yeah, it's rad. >> crazy's sounding pretty good right now. >> she's shedding people's perception of that sweetness. >> reporter: going from grieving lover to vengeful killer is going against type for this wholesome mother of two. you described yourself in some articles as a prude. that playing a stripper and being overtly sexual is not really your scene. >> no. >> reporter: and yet, you push the envelope for this particular character. >> yeah. it's fun. that's why it was so fun. it's the opposite of who i am. i run a company and have kids. >> reporter: that company is the honest company, which makes nontoxic, eco-friendly baby products. and jessica is at the helm, as ceo. her reality is a far cry from the fantasy world she inhabits on the revved-up take on film noir. >> it's real. i can watch it. i normally have a hard time watching me.

but i don't feel like there's any of me up there. it's nancy. >> reporter: it's not just nancy. "sin city," opening tomorrow, is bursting with epic and raunchy characters, straight out of the graphic novel. >> shall we? >> reporter: and yet these cartoons-come-to-life are played by hollywood heavyweights. even a cameo from the nearly unrecognizable, lady gaga. >> this won't take you very far. >> sweetheart, it's going to take me to the moon. >> reporter: the characters are also into seedy sex and stomach-churning violence. >> this violence is palpable and fun to watch because it's not realistic. >> reporter: even though you're being tortured? >> it's got a knowing humor to it. bea

heose lo fessionct met for addiction. he sees her and that's all he needs. and he gets sucked right in. >> right there is a dame to kill for. >> reporter: and so does the viewer, who is sucked in by filmmaker robert rodriguez. perhaps best known for his cult hits like "dusk till dawn." and "spy kids." >> really starting to tick me off. >> reporter: rodriguez doesn't just direct, he shoots, edits, even composes the movie's music. and he uses the newest green screen to create this fantasy netherworld, lnything you want . and you can move so fast and keep an actor in a flow because you don't have to change locations. you're going into this sort of magical dreamscape of a world.

it's like being a kid and playing pretend. and i love that. >> reporter: and yet, the explicit sexuality is far from child's play. in fact, it's a former bond girl from "casino royale," that steals the show. >> she's kind of a psychopath. >> do me one last favor, lover. stay still long enough for me to blow your brains out. >> reporter: what was it like to play a wicked creech center. >> ava is pure evil. and it's fun to play somebody that is free and irreverent. sometimes i'm really shy. >> reporter: she may be shy, but not about appearing naked in the film, multiple times. was that hard at all? >> of course. i don't know one actor that enjoys a nudity scene. you want to die. but for ava, nudity is a weapon,

to get what she wants and become numb. you just do it. you forget in some weird way that you are naked. >> reporter: ironically, though she's not naked on the movie's poster, it sparked controversy, when the motion picture association of america banned it. >> on the poster, it's really suggestive. but you don't really see anything. and i find it sexy in a very tasteful way. >> reporter: eva's co-star came to her defense. >> we love in a prude country. they would rather send kids to war than show a woman's breast, which is something that's beautiful. this speaks to our ridiculous regulations in this country and priorities, frankly. >> reporter: how old will your children have to be before they're allowed to see this movie? >> i think between 16 and 18. >> reporter: and yet, they never saw "spy kids" until your parents let them see it. >> i know. my parents. >> reporter: but young kids are

really not the target audience for this movie. thousands of fan of the cult hit stood in line for hours at this year's comic-con, after nearly a decade of anticipation for this sequel. fans all clamoring to descend into the decadent darkness of "sin city." >> you have to show the dark side to show that redemption, proving that you're worth a damn. you have to go down deep and dark and descend, in order to come up. whoa. up next, from your real best friends to your imaginary celebrity bffs, it seems everyone's dumped ice on themselves for a.l.s. but tonight, there's a game-changer in the charity challenge gone viral. spokesperson: you can get a $1,000 turbocharged reward card with a new volkswagen turbo. so why are we so obsessed with turbo? because there's nothing more exhilarating than a powerful ride. and you can get that in places you might not expect. like the passat.

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