Beneath the Darkness

Beneath the Darkness is a 2011 American teen thriller black comedy film directed by Martin Guigui and starring Dennis Quaid, Tony Oller and Aimee Teegarden.

Two years later, four high school kids, Travis, Danny, Brian and his girlfriend Abby think they see a ghost in Elys window when they see Ely dance with his wifes body. They assume since Elys van is gone, that he is not home. They sneak inside and see what is going on. Enraged, Ely chases them down the stairs and grabs Danny before he can get away. Travis rushes back inside just in time to see Ely shove Danny down the stairs. Ely taunts Travis as he breaks Dannys neck. Ely declines to press charges against the teens, and the police do not believe Travis accusations.Travis and Abby become determined to find proof to support that they are telling the truth, that Ely is crazy, and that he killed Danny. When they break into Elys house a second time, Ely captures Abby and hides her unconscious body in a casket buried in his backyard. As Travis escapes, Ely shoots and wounds him. At the hospital, the doctor notifies the police, and they keep Travis under guard. Travis recruits Brian to help him escape, and while the police chase after Brian, who they think to be Travis, Travis returns to confront Ely and free Abby. ........

Source: Wikipedia