Keira Brannon is hallucinating. First it's a door hovering above the road; then it's a tree in the middle of her living room. But with her parents constantly fighting and her best friend not speaking to her, Keira can't tell anyone about her breakdown. Instead, she throws herself into her music, her one ticket out of her dead-end town.

Then she meets Walker. Keira can't ignore their electric connection - or the fact that somehow Walker seems to be able to see the same strange, dark and shadowy images. Finally she feels like she has someone to confide in.

But trusting Walker may be more dangerous than Keira could have ever imagined. The more she confides in him, the more intense - and frightening - her visions become. Because Walker is not what he appears to be. And neither are her visions…