Kate and Mark have been sitting next to each other in class all year, yet have never spoken to each other. Mark is in love with his best friend Ryan, but Ryan might not feel the same way. Kate has been admiring a girl from afar, but hasn’t acted on her feelings. Then Kate and Mark meet up outside of class for the first time, and instantly click. Their friendship is fast and unexpected, but they become more important to each other than the people who supposedly know them best.