When top model Michaela Kostina is murdered at an exclusive nightclub, the police, along with detectives Makar Ilyshin and Sergey Babkin, are sent to look for prime suspect, Alla Rokunova. Her aunt is worried about Alla, who is prone to embellishing stories and stretching the truth.

On seeing the detectives, Alla runs away, and it looks probable that she may have been involved in Michaela's death and the unsolved murder of another model, who was also killed at the club. The autopsy reveals the presence of rat poison in the blood of both victims, a substance which can be fatal, if administered in high doses…