Karen Fields as Judy
A young girl is adopted and molested by her adopted "mother." Years later she and her cousin go to camp Arawak, run by a conscientious manager named Mel. When the girl is mocked and brutally teased and abused by the staff and other campers, her cousin tries to protect her. Then people start dying. Mel tries to protect the camp's name after campers and staffers start to die. He's on the right track, but the mystery hasn't been solved yet...
Sleepaway Camp (1983) .... Judy
... aka Nightmare Vacation (1983)