Lisimaku is constantly assigned to replace the women of the enterprise during their maternity leave. Lisimak's growth in character is achieved through unexpected situations where comics intertwine with drama.

Invited to a simultaneous chess game, Ilo Pinci, the specialist of fish and oysters, as well as a well known chess player, arrives at the small coastal town fully convinced to be better than the local chess players. But what makes his coming to this town even more interesting is his hidden desire to discover some technical and practical data on the oyster cultivation.