Now operas have a living witness who can identify the perpetrator. According to Diana Davydova’s testimony, she understands that the maniac is her brother Yegor ... Vershinin sends operas to monitor the suspicious activity of Serge and his people in the port. Inexperienced Komarov comes across to Serge. Realizing that his employee is in mortal danger, Vershinin decides to storm the port with riot police.