Jessa has been raised to be a 'perfect girl.' Speak politely to those around you, don't rock the boat, and follow the rules - no matter what. Her friends love to give her a hard time for being such a goody two-shoes, but Jessa likes it this way. She knows what's expected of her, and she's happy to be the person her parents (and society) want.

When Jessa parents go out for the night, she invites her friends over for a sleepover. Pizza, a movie, gossip - what can go wrong? But things go south before the pizza gets cold. First the power goes out, and then there's unexpected guest after unexpected guest (some more welcome than others). Before Jessa knows it, she's at a neighbour's house drinking tea with a classmate's mother who seems more than a little off. And it only goes downhill from there.

If Jessa wants to save her friends - and herself - she's going to have to reject everything she's been taught and reclaim her own power. This is a thriller that will have you questioning what it means to be a 'perfect girl' - and what you would do to get out of the world's worst sleepover alive.