Thodoris is a lonely 25-year-old who spends his days working out. When he signs up to a new gym, he meets Vicky, a sexy 30 year old trainer. He tries to claim her attention as he struggles with his shame, image and repressed libido.
Haley is a naturally gifted athlete but, with her social behavior, the teen seems intent on squandering her abilities. After a final brush with the law, a judge sentences her to an elite gymnastics academy run by a legendary, hard-nosed coach. Once there, Haley's rebellious attitude wins her both friends and enemies.
After completing military service, Walter Gulick takes a job as a sparring partner at a gym, the owner of which sees potential in Walter as a professional fighter—and takes him under his wing.
A female boxing trainer discovers that her champion cage-fighter boyfriend has been cheating on her with her sister and decides to seek revenge by training up his arch-rival to challenge him.
A retired boxer intends to return to the ring for one last shot at the title, but first he must make the weight. Holed up in a room in Las Vegas with an unscrupulous trainer, he embarks on an intensive and illegal weight-cutting program.
After deciding he needs to do something meaningful with his life, high school wrestler Louden Swain sets out on a mission to drop weight and challenge the area's undefeated champion, which creates problems with his teammates and health. Matters are complicated further when Louden's father takes in an attractive female drifter who's on her way to San Francisco.