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...

"Male students are not allowed to enter the female dormitory." This sign hangs at the entrance, but the men's still climb into the Windows. Seeing this craving for beauty, the authorities of the provincial town decided to improve the financial situation by opening a brothel, while maintaining the chastity of the fairer sex…