Sleepaway Camp (released as Nightmare Vacation in the United Kingdom) is a 1983 American slasher film written and directed by Robert Hiltzik, who also served as executive producer. It is the first film in the Sleepaway Camp franchise, and tells the story of a young girl sent to a summer camp that becomes the site of a series of murders shortly after her arrival. It stars Felissa Rose, Katherine Kamhi, Paul DeAngelo, and Mike Kellin in his last screen appearance.

Plot

In 1975, John Baker and his partner Lenny take John's children Angela and Peter on a boating trip near Camp Arawak. Angela and Peter prank their father by capsizing their boat. They attempt to swim ashore where Lenny is waiting for them, but camp counselor Mary Anna recklessly strikes John and one of his children with her speedboat, killing them both.