About the book: year / And why did Capitolina feel the need to fencing with the customer? She would do what she was invited for: installing an aquarium. And now a famous politician lies stabbed to death with a rapier, and a young aquarist is on the hook of the police. And who should be suspected if not her? Fingerprints on the rapier are eloquent evidence... All the inhabitants of a rich house have an alibi. And at Capitolina... only Arkashka is an employee who is secretly in love with her. “We must hide!” - he decides wisely. And the young couple rushes to Vovka Tsvetov, another fish lover. But he also has a problem: a particularly valuable specimen dies! Vovka is ready to shoot himself out of grief. Kapitolina and Arkasha must not allow this to happen - otherwise they will have another corpse on their conscience... So they need to bring Vovka to her senses. After all, who, if not him, can help them find the true culprits in the death of the aquarium politician?..