Jenny O'Brian, Tyler Steve, James O'Brian, Casey Peters and Andrew Timings alone are already too much to deal with on their own. Jenny and Tyler are the best of friends and remain that way throughout their lives. Suddenly, both their lives take a sudden turn when Jenny's Gay brother, James, returns home and a new girl, Casey Peters transfers to their school. New feelings are developed and that's when none other than Andrew Timings decides to come into the mix with an interesting suggestion. "Girl crush Monday", this is a simple game that he came up with. But, is it 'only' a simple game with not strings attached?