. ♪ ♪ ♪ >>> scottish actor sam ewe win's portrayal of dashing jamie frasier on "outlander" has left quitetar's opening up about the secret to the show's success and the pressures of being a heartthrob. here's my "nightline" coanchor juju chang. >> hi, i'm juju. >> hi, juju. >> nice to meet you. >> nice to meet you. >> reporter: he's arguably one of the sexiest men on the planet. sam heughan, living the hollywood life with a scottish twist. best known as jail in anymy frasier. >> i'll be back, i promise. >> reporter: the warrior hero of the hit series "outlander" that starts in 18th century scotland. >> sometimes i think you're an angel. >> reporter: "outlander" shooting its seventh season. the haunting theme song evoking the time-traveling epic love affair between the 18th century scotsman jamie and the 20th century british nurse clare. >> for life. >> reporter: the massive fan base calling themselves hooligans, drawn in by jamie frasier's dashing looks and steamy sex scenes. >> what do you think makes "outlander" such a boffo hit? some of it is the chemistry between you and clare. >> rig