The murder is solved, the criminal is convicted—and at that moment the key witness admits that she gave false testimony. It turns out that an innocent person has been convicted. Investigator Petelina is accused of a biased investigation. The convicted man escapes and demands justification. Public opinion is on his side, but there’s an opponent who is ready to kill him. Petelina is faced with a choice: admit her mistake and help the fugitive, or go on maternity leave. And the main question arises: who the real murderer is?