Sean Astin, Jonathan Ward, Matt Adler, K.C. Martel) brave a wilderness on a white water rafting expedition, led by the brutal, abusive Vic (Kevin Bacon). En route the confront their anxieties and bond with each other.
The boys of Stand are aggressively homophobic, throwing around the term "faggot" and challenging each others' "masculinity." They are also aggressively heterosexual, discussing boobs, girls, having sex with girls, not having sex with girls. The boys of Summer mention neither "faggots" nor girls.
Summer ends with the boys together, still friends, the same-sex bond intact.