When a dance troupe is lured to an empty school, a bowl of drug-laced sangria causes their jubilant rehearsal to descend into a dark and explosive nightmare as they try to survive the night—and find who's responsible—before it's too late.

Murphy is an American living in Paris who enters a highly sexually and emotionally charged relationship with the unstable Electra. Unaware of the seismic effect it will have on their relationship, they invite their pretty neighbor into their bed.