Leto s kovbojem 1976 A young psychologist Doubravka Daniela Kolarova swimming in a pool meets Honza Machacek Jaromir Hanzlik who summers co op cows nearby Honza likes the racy girl at the first sight and his directness imposes on Doubravka too They start to date Honza comes from a big family, he was degraded to a cowboy when he had a tractor accident caused by alcohol and lost his driving license In the summer cabin, Doubravka takes care of Bobo Oldrich Vizner a student of medicine who prepares for an one exam for the third time He is selfish and in his uncertainty he behaves to Doubravka uninterestedly and outrageously Honza supposes Doubravka looks after a crazy person, yet soon he learns that Bobo is Doubravkas boy friend On the other hand, Doubravka finds a girls name tattooed on Honzas arm and troubles come