Katie Gatewood's love for her husband Dan is put to the test when Dan's obsessed ex-girlfriend Louisa moves into the house next door, intending to drive the happy couple apart by any means necessary.
The Boy Next Door is a 2015 American psychological thriller film directed by Rob Cohen and written by Barbara Curry. The film stars Jennifer Lopez, Ryan Guzman, and Ian Nelson, with John Corbett and Kristin Chenoweth playing supporting roles. The film follows a 19-year-old boy who, after having a one-night stand with his high school teacher, develops a dangerous and deranged obsession with her.