In the Kaliningrad remand prison, Major Andrei Ryzhov commits suicide, accused of exceeding his authority. Four of his colleagues - Oleg Kaplan, Pavel Karpenko, Oksana Golikova and Fyodor Vachevsky - are confident of the innocence of their former leader and, in order to restore his good name, begin their own investigation of the incident.

• Vladimir Mashkov
• Aleksandr Pal
• Denis Shvedov
• Sergey Ugryumov
• Lukerya Ilyashenko