Sleepaway Camp II: Unhappy Campers

Angela, supposedly reformed and living under an assumed surname, is working at a summer camp. However, when the campers start misbehaving, she soon reverts to her old ways.

Sleepaway Camp II: Unhappy Campers also known as Nightmare Vacation II is a 1988 American slasher film and a sequel to the movie Sleepaway Camp, written by Fritz Gordon and directed by Michael A. Simpson. It stars Pamela Springsteen as Angela, Renée Estevez as Molly, and Tony Higgins as Sean.

Sleepaway Camp Series:
Sleepaway Camp [1983], Sleepaway Camp II: Unhappy Campers [1988], Sleepaway Camp III: Teenage Wasteland [1989], Sleepaway Camp IV: The Survivor [1992-2012], Return to Sleepaway Camp [2008]