In present day St. Petersburg, police major Igor Grom, an honest and skilled cop with unconventional methods, pursues a vigilante murderer in the mask of a plague doctor.
Two escaped convicts pose as children's summer camp staff in order to evade capture and learn about caring for others in the process. Sumrak has been in prison since he was 16 years old but is pushing thirty now, is well acquainted with prison gang culture and covered with tattoos. Evgeni Koltsov is a former police officer unjustly imprisoned and destined for a death sentence from the other inmates if he stays in prison.
Lena returns to her home in a remote, war-ravaged Armenian village to try and persuade her grandparents to leave with her for safety in Moscow.
