Hadley Jamison doesn't know what to think when she hears that her classmate, Archer Morales, committed suicide. She didn't exactly know him, but that doesn't stop her from feeling like there was something she could have done to help him. So to Hadley's surprise, on the very night of Archer's funeral, she has a run in with Death himself and is offered the chance to go back in time to stop Archer from ending his life. The catch? She only has twenty-seven days to do it. And if Hadley doesn't succeed? Well, she doesn't want to think about that.

After having his heart broken by Hailey Tucker, the player, Alex Parker transfers to a new school as far away as possible from her. Two years later, because of one horrible incident, Hailey has to move in with the Walkers. What she didn't expect was to see Alex at her new school, in her class. But this time, the tabled have turned. Hailey is the quiet girl while Alex is the player. Whoever said that senior year is an unforgettable year was definitely right.