the weather hasn't broken, and geoff mackley's team is discouraged, but their leader's unbreakable spirither here, the consequences might be bad, but you just overlook that and keep going. so, it's been a 15-year obsession, and now it's so close to lava lake that we're going to go there regardless. man: sun's out. laila: this desolate, unforgiving island finally offers the team the break they desperately need, but geoff must still be prepared for bad weather or toxic gas to strike back at a moment's notice. geoff: i just kept putting bolts in the cliff, going down a bit further. i'd throw the rope down, and it would, it would reach the bottom to the next ledge that you could stand on. i thought, okay, i've gone down this far. and it wasn't my intention to go to the bottom that day. it was just to get ropes down so that we could, and i thought i'm so close now, i'm going for it. laila: in 15 years of expeditions, this is the closest geoff has ever come to the lava lake. geoff: i don't think i've ever been this happy in my life. five meters. two meters. oh, my! it's like putting your head i