Directed by Fred Walton, April Fool’s Day follows a group of college students invited to a secluded island estate for a weekend gathering. A series of pranks escalates as members of the group begin to disappear. The film is part of the 1980s wave of American slasher films.

Från IMDB:
A year after an April Fool's Day prank which resulted in the death of one of their set, a group of friends find themselves targeted by someone who is out for revenge.