Based on the novel by Väinö Linna, the story takes place during the time of the Finnish Civil War.

Episodic study of feelings where six stories intertwine over one Saturday in a small town. Two boys save a young woman, Anni, and her baby from suicide by drowning. Esa, a down-on-his-luck musician in need of a loan, arrives to his father's 60th birthday party. Waitress Leena tries to stir up a romance between her co-workers at a pizza parlor. Middle-aged Ilpo comes home early from the paper mill and finds a strange man in their bedroom. Old Milja waits for her daughter Merja at the hospital where she is visiting her terminally ill husband Henri. Teenage Santeri tries to cope with his homosexuality.

Sixpack is a positive story on the outskirts of society. The story takes place in Helsinki on rock and following the advent of exclusion of the story regarding one of summer days. The film's protagonist, Marshal, is stuck in a shabby home. Lihi and Henninen attract the Marshal out and tired of opposition after the Marshal finds them to spend a hot summer day in the park in the world with amazement. The trio crash -day pass to the young, rutjakkeisiin sense of humor to the police. Day lasts from early morning until the evening the rain to bring sorrow alhoon. Eventually, however, the sun began to rise again it's time to become sensitized and look deep into the eyes of friendship.