Four girls. One dead body. A whole lot of guilt. Alice King isn't expecting the holiday of a lifetime when she sets off with her classmates on a trip to the Scottish wilderness, but she's not exactly prepared for an experience beyond her darkest nightmares. Alice and her best friend Cass are stuck in a cabin with Polly, the social outcast, and Rae, the moody emo-girl. Then there's Tara - queen of mean. Powerful, beautiful and cruel, she likes nothing better than putting people down. Cass decides it's time to teach Tara a lesson she'll never forget.

And so begins a series of events that will change the lives of these girls forever. A compelling story of guilty secrets, troubled friendship and burgeoning love.