Katie had a great life. Starting first base and home run hitter record holder on Varsity softball. Full scholarship to any college she wants. First chair viola in symphonic orchestra. Best friends Stephanie,Brooke, Ethan, and Noah always at her side. She's the girl every girl wants to be and every guy wants to date. Stephanie and Noah are in a relationship, and Ethan has a girlfriend, Alexi. But what happens when she wants to be the girl Ethan dates? The rule is you can't fall in love with your best friend. Right?