This time, the detective adventures of Romka and his sister Leshka began with the fact that they found a wounded dove. And not just any one, but a very thoroughbred one. The guys found a small scratch on the dove's leg from the wire cutters: someone had taken her birth ring off! The young detectives immediately decided to find out the past of this cute bird, and at the same time find its former owner. However, these plans were prevented by one extraordinary circumstance. An unknown attacker, having poisoned the guys' faithful dog, snuck into the house and tried to steal the dove. I wonder who it could be? The angry Romka firmly decided to take revenge on the criminal and, according to all the rules, set up a cunning ambush on him. Now all that was left was to hide and wait...