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 III:
HD - 5.1
Sleepaway Camp III: Teenage Wasteland (1989)
IMDb:5.1
1989
After murdering a young girl, Angela Baker assumes her identity and travels to Camp New Horizons, built on the grounds of the camp she terrorized the year before, and starts killing again.