18-year-old Caleb Shaw finds a six-year-old girl at school. The first time they meet, she calls him 'Dad' and even shows a family photo as proof. Caleb then realizes that his future daughter, Nina Shaw, has truly traveled back in time. What shocks him even more is that his future wife is the top student and School Belle, Susan Lane. To grant the little girl's wish, he begins his quest to win over his future wife.