Last Summer 1969

Long Time: 95min Year: 1970 (IMDB - 7.1)
Stars: Barbara Hershey, Richard Thomas, Bruce Davison
Release Date: 10 June 1969 (USA)
Country: USA
Genre: Drama
Description: During summer vacation on Fire Island, three young people--a girl and two guys--become so close that they form a sort-of threesome. When an uncool girl tries to infiltrate the trio's newly found relationship, they construct an elaborate plot that has violent results.