***A fun romp about girls wanting to lose their virginity… or something deeper?*** At summer camp in the eastern USA, two girls (Kristy McNichol and Tatum O’Neal) have a contest regarding who will lose their virginity first. Angel (McNichol) sets her eyes on a cool kid (Matt Dillon) at the boys’ camp across the lake while Ferris (O’Neal) pursues an older camp counselor (Armand Assante). This is a coming-of-age drama with some amusing touches, similar to “The Summer of ’42” (1971), except that it involves a group of girls during the summer of 1979 (when the film was shot). The first half has…