Set in rural Russia, a group of hunters embark on a misadventurous hunting trip filled with drunkenness, camaraderie, and comical encounters with animals.

According to the novel by S. Rodionov, "Cambrian Clay". Investigator Ryabinin is instructed to conduct the case of theft of gasoline. His predecessor, having arrested the Toptunov gas station operator and not providing the leadership with evidence, was removed from business. Ryabinin frees the operator and thereby makes a big mistake: Toptunov is killed, and gasoline continues to flow through a hidden bypass pipe ...

Based on the fairy tale of the same name by Efim Chestnyakov.

St. Petersburg. Winter of 1917, the eve of the February Revolution. The maid finds in the room the corpse of the murdered tenant. In his pocket, a hotel account was found in the name of Karl Fischer, a well-known banker. An investigation is beginning. In the list of suspects - an agent of the secret police...

One of the mountain passes of Tajikistan, which is an important strategic object, is controlled by the Basmati detachment of Kurbashi Kerim Dodho, who is respected by the people. The head of the OGPU Paramonov, in order to avoid bloodshed, convinces Kurbashi of the expediency of holding peace talks. However, the counterrevolutionary group, which has its own people in the militia units, is trying to interfere with the negotiations between Paramonov and Dodho, a Bolshevik sympathizer.

Trying to save the well-being of her family, a woman begins her own investigation in search of an anonymous person - and innocent people become victims of her persistence.