The former prisoner is sure that while he was in prison, his wife gave him a son. He does not believe in his fatherhood, as doctors diagnosed him with infertility. But the man's ex-wife believes that he invented infertility, just not to pay alimony. And the official aunt of the child is afraid that her brother will be sent to prison again because of the alimony debt on someone else's son. So who did the recidivist's wife give birth to?