Lasse is a car salesman who has vowed to never get married. He wakes up hung over one morning with a wedding ring on his finger and a nude woman in his bed.
A theater company rehearses Aristophanes play "Lysistrata" in which the Athenian women revolt to force the men to suspend the war and make peace. The three leading female actresses, Liz, Marianne and Gunilla, all live in humiliating circumstances to their men.
In Sweden, young US soldier, Willy, goes a.w.o.l and teams up with other deserters in Stockholm. There, he meets leftist radical beauty, Inga, who tries to seduce him into joining her extremist group's cause.
