Lana is turning 19, and she's throwing a birthday bash with her pals Christie and Chloe. Lana's stepdad Greg is supposed to chaperone, but he's got a different agenda. Meanwhile, Lana's stepparent Lexi has to work late, leaving the girls unsupervised. Greg has sinister plans for the girls, and he's not the only one. With Ethan in on the scheme, the party takes a twisted turn that rocks Lana's world. When the dust settles, secrets are out and relationships are forever changed.