A mafia boss disappears in a resort town. A special agent Constantine Gromov is sent to the southern town on a special mission to investigate the case.

Appraising the situation, Gromov tries to gain confidence of the two gangs in the town that struggle for power and control over drug traffic, prostitution, casino.... and of course they fight each other. The information revealed in the course of the investigation is so secret that endangers the life of the special agent...