The third film of the project about Cherkasov's task force is "Goznak". Based on another famous story - the robbery of the State Bank of the Armenian SSR in 1977, when the Kalachyan brothers swept the treasury for one and a half million rubles (two million dollars at the then exchange rate). It was the largest kidnapping in the Soviet Union. 1967 year. Moscow. A fashion model from the House of Fashion was killed. A group of Major Cherkasov arrives at the crime scene. He urgently introduces his man, Sonya Timofeeva, into the Fashion House, whose main task is to obtain information about the relationship between the employees of the Fashion House. Soon, another fashion model dies. And simultaneously with this murder, a very daring crime is taking place - the robbery of Goznak ...

The brownie escapes from the captivity of Baba Yaga in her magical world, and ends up in the apartment of the girl Natasha and her parents. Kuzya needs to find his magic chest that grants wishes. Both Natasha and the local grumpy brownie Nafanya help him in this. It turns out that Kuzya himself gave the chest to Andrey, Natasha's dad, many years ago. It would seem that the goal is already close, but in search of both Kuzya and the chest, Baba Yaga entered our world, and she has her own insidious plans.

Strong-willed Olga Nikolaevna is the boss at home and at work. The only one who breaks the order in her life is her son-in-law-like nothing else. Then one day, the flurry of mutual claims becomes so great that right on a family holiday, the situation gets out of control.