For Riley 'Baby' Hart, her life is just getting started. She is flying the nest with her boyfriend, Chet Casey, off to college for adventures and excitement. Then she meets Chet's brother and things start to get complicated. Finn Casey is Chet's opposite. He is a polite and charming genius who insists on helping Riley pass her classes. Soon the pair are all but inseparable, he's her best friend, but where does this leave Riley and Chet? Is Finn more than just a friend?