The book is about Alaina who is 16 years old and her three sisters Mollie, Claire and Alicia. Their parents died when they where very young. They all go to school and have normal lives like any other girls in there age. But one day a new guy begins in Alaina's class, he's the kind of guy who is very mysterious and quiet, which Alaina finds interesting. So one day Alaina decides to talk to this new person who apparently knows more about Alaina then she knows about herself, while time passes she's starting to learn more about herself and her family. She knows that she and her sisters lives will never be the same after what she knows.