S1, E9: Audrey’s new Haven friends and acquaintances – Nathan, Duke, Chief Wuornos, Vince, Dave, Eleanor and her daughter Julia – attend a surprise party for her birthday at a nearby island hotel. But the mood quickly turns to fear and paranoia when the group discovers that a predatory shape-shifter has joined them – meaning that one of them has been replaced by this thing. And the group must determine which of them is the imposter before it’s too late.