Port Mafia.

The main character of the story is veteran officer Mikhail Samylov who loses his friend Igor Makarov in Syria. Mikhail comes back to his port hometown Yantarsk to help Makarov’s widowed wife. He blames Igor’s death on himself. He doesn’t know, though, that Makarov is actually alive and turns out not who he seemed to be. A small port town becomes a battlefield of life and death. A chain of crimes always leads to one man — owner of the port Kupriyanov. Lost at what to do with his life, Mikhail, tormented by the pangs of guilt, will have to solve the crimes and find a new reason to keep on living.