Ben Keller (Colin Hanks) has just won the Iowa State Lotto. The catch? The winning ticket belongs to Leslie Singer, the dead girl in his closet. With $36 million now at his disposal, Ben has the newfound confidence to pursue his life-long crush, Lucy St. Martin (Ari Graynor). But can all the money in the world compensate for the fact that Ben is a fledgling serial killer? As their relationship spirals out of control and the body count rises, Lucy and Ben do all they can to survive love, marriage, and each other.