When Cat moves away to Santa Monica, CA, she leaves Keaton alone. But, she cries every single night because she's not with him. A terrible tragedy happens. Cat gets in a car accident and she loses her memory. She doesn't remember anyone except for Jacky, Nayeli, Ariana, Alexa, Sascha, and Dani. But, when Keaton finds them at the beach, he won't stop trying to get her back. Especially when he finds out that Cat has a boyfriend, Seth. Seth has been cheating on her. When she finds out, she is really sad and goes with Keaton. But everyone will try to stop their relationship. What will happen in the end?