Prom Night IV: Deliver Us from Evil

Prom Night IV Deliver Us from Evil is the fourth and final film in the Prom Night series. Like the previous film, it was released briefly in theaters before later being released to video.

After injuring herself in the wine cellar, Meagan receives an obscene phone call from Jonas while Mark is away getting the first aid kit to tend to her wounds. After calling Meagan, Jonas enters the house through his old lair and kills Laura, subsequently moving her body. While looking for the missing Laura, Mark and Meagan find Jonass lair, while Jeff searches the attic. Finding what looks like Laura, Jeff approaches the figure, only to find it is Jonas Jonas proceeds to kill Jeff by crushing the boys skull with his bare hands.Going outside to look around, Mark and Meagan rush back inside when they find Laura and Jeffs bodies crucified and ablaze. As Meagan tries to call the police Mark arms himself with a gun and has Meagan flee outside when Jonas appears. Rushing to the roof of the house, Mark is stabbed in the foot through the roof by Jonas, causing him to fall to the ground below. After Jonas finishes off Mark by hurling his crucifix into the boys chest, Meagan is stalked through the house by the christian, who she manages to briefly incapacitate by spraying him in the face with bug spray. Going outside and getting Marks earlier dropped gun, Meagan gets bullets from inside and, after being phoned by the police a call which is interrupted by Jonas goes to the wood shed outside. After missing several times Meagan manages to shoot Jonas and believes he is dead, only to be attacked by the still living Jonas, who begins setting the barn on fire. Grabbing a shovel, Meagan beats Jonas with it and rushes outside and locks the door, leaving Jonas to burn and subsequently be blown up when the shed explodes. ........

Source: Wikipedia