Cassie is a thirteen-year-old amateur photographer whose grandmother is losing her memory. Her crazy grandmother is getting in the way of her living a normal life, even attempting to attack the boy she has a crush on! When her grandmother’s house burns down, she ends up moving in to Cassie’s house. Then, Cassie sees someone leaving her English teacher’s house late at night, before a fire starts there as well. Soon she is keeping secrets from everyone, including her best friend, her parents, and even the police, about what she saw. When the smoke clears, she realizes that not everyone is who they seem.