Pharmaceutical firm "Helios" on a grand scale celebrated the employee's birthday. In the midst of the celebration, a frozen corpse of the beloved chief's dog was found in the refrigerator. The suspicious incident coincided with the disappearance of the owner of the company, Boris Goldman, which attracted the attention of the police. Investigator Tarasov coolly took to unravel the intrigue and expose the criminal clan. All his suspicions converge on the controversial figure of Martha, the commercial director of Helios and part-time Goldman's wife ...