As surgeons labor to save the Sniffer, events of his and Viktor's investigation into the beheaded bodies of a senior investor and a petty thief show what lead up to the life-threatening shooting.

• Artem Litvinenko
• Artyom Litvinenko
• Andrey Babik

• Anastasiya Makeyeva
• Ivan Oganesyan
• Kirill Käro