Kat has been Gwen's best friend since their first day of school. They do everything together and are always there for each other. To others, they are inseparable, Kat and Gwen are so compatible their friends jokingly tell them they are one. No, it's wrong to say they are inseparable, since they've just been split up. Gwen's forced to move to a small town with her grandmother after she lost parents and brother in a car accident that killed all three of them. In a blink of an eye, Gwen lost the three people that she loved and cared about most in the world. Her house got sold to pay her parents' debts, along with the majority of her possessions. She has no choice but to leave Kat and her boyfriend Joe behind. Gwen and Kat try their best to stay in touch, since now they rarely get the chance to see each other again. But while they're apart, Kat and Gwen discover two secrets that can change their lives once and for all.