Seventeen-year-old Shirley (Katherine Waterston) is a good student who works as a babysitter in order to make money for college. One night Michael (John Leguizamo), a father Shirley works for, confesses he’s unhappy with married life. Shirley has a crush on Michael, and seizes this moment to kiss him. Michael is so happy he presents Shirley with a big tip, which gives her an idea. Shirley plans to make extra money by setting up her teenage friends with other unhappy fathers.

The town of Downers Grove looks like your average suburban neighborhood — but Downers Grove has a disturbing secret…. For the past eight years, one senior from every high school graduating class has met a bizarre death right before graduation day. And this year, Chrissie Swanson has a terrible feeling that she is going to be the one to die. Can Chrissie survive the curse of Downers Grove or will she, like those seniors before her, fall prey to the town’s deadly secret?