Nothing is as dangerous to a really good group of friends as a woman and love. At least according to Frank, the brigade leader, who not only protects cohesion but also work performance when he gives advice to his colleagues. It's easy for him, of course, because he's never been in love. Not so his friends, who are still courting the travelling circus artists. But what goes around comes around. Then Klári, the forklift girl, appears...