AUnable to get her car started, Ginny (Amy Steel) runs off into the woods, followed by the pitchfork-carrying, burlap-masked man. She comes upon a rundown shack and tries to hide in it only to discover a shrine on which Pamela Voorhees' head has been placed. Realizing that she's inside Jason's abode and that he is attempting to break down the door in order to get at her, she dons Mrs Voorhees' sweater and tries to convince Jason that she is his mother, but Jason (Warrington Gillette) wisens up when he sees his mother's severed head and slices open Ginny's leg with a pick-axe. Suddenly, Paul rushes through the door and tackles Jason. Ginny is able to stab Jason through the left shoulder with his mother's machete, dropping him to the ground. Paul carries Ginny back to their camp and sets her on the bed. They hear a scratching at the door, and Paul cautiously opens it to find Muffin. Happy that the dog has come back, Ginny calls for Muffin to come to her. Suddenly, Jason breaks through the window behind her, this time without the burlap mask. In the final scene the police have arrived at Crystal Lake and Ginny is being lifted into an ambulance. She calls for Paul, but neither Paul nor Jason are there, the deputy telling her they've searched but only found her. The camera then pans on Pamela Voorhees' head.
APossibly he didn't drown at all but just pretended to drown and ran away to live in the woods due to being picked on by the other children at summer camp. This would mean that his appearance as a child at the end of the original film is just a hallucination by the traumatized survivor as he's a grown adult by the next chapter which is set a short time later. Alternatively Friday the 13th part 9 (Jason Goes to Hell) establishes a supernatural explanation to explain the inconsistencies in the series.
