In the movie "You're Next," the killers are revealed to be members of the family itself, specifically the siblings Felix and Drake, along with their accomplice. They orchestrate the brutal home invasion during a family reunion, motivated by a mix of greed and familial betrayal. The twist is that the protagonist, Erin, turns out to be resourceful and capable of defending herself against the attackers, leading to a tense and unpredictable climax.

"You’re Next" is a 2011 horror thriller directed by Adam Wingard. The film follows Erin, a young woman who joins her boyfriend's family for a reunion at their remote mansion. During the gathering, masked assailants invade the home, targeting the family members. As chaos ensues, Erin reveals her resourcefulness and survival instincts, turning the tables on their attackers. The story combines elements of slasher horror with dark humor, exploring themes of deception and family dynamics amidst the terror.

"You’re Next" is generally considered a good horror movie, praised for its blend of suspense, dark humor, and clever twists. Released in 2011, it revitalizes the home invasion genre with a strong female lead, played by Sharni Vinson, who turns the tables on her attackers. The film effectively combines traditional horror elements with unique character dynamics and sharp dialogue. Critics and audiences have lauded its originality and tension, making it a notable entry in modern horror cinema.

Yes, Erin survives in "You're Next." Throughout the film, she showcases her resourcefulness and combat skills while battling the masked attackers. By the end, she successfully defeats the remaining assailants and is left standing amidst the chaos. However, the film closes with an ambiguous tone, as her survival raises questions about her true nature and intentions, leaving viewers to ponder the implications of her actions.