The Boy Next Door

A woman, separated from her unfaithful husband, falls for a younger man who has moved in next door, but their torrid affair soon takes a dangerous turn.

The Boy Next Door is a 2015 American erotic horror/thriller film directed by Rob Cohen and written by Barbara Curry. The film stars Jennifer Lopez as Claire Peterson, Ryan Guzman as Noah Sandborn, and Ian Nelson as Kevin Peterson, with John Corbett and Kristin Chenoweth playing supporting roles. Lopez plays a high school teacher named Claire who, in the midst of being separated from her husband (Corbett), has a one-night stand with a younger neighbor (Guzman), who develops a dangerous obsession with her.