chunk: Kirill's driver is Nikolai Luzhin, who also serves as the family "cleaner", dumping murdered bodies in the River Thames. Through Nikolai, Semyon, fearing prosecution, promises to give the location of the girl's family to Anna if she hands back the diary. Nikolai takes the diary but does not give a location, instead urging Anna to keep the baby in London. Semyon distrusts Anna's uncle Stepan and orders Nikolai to kill him. Nikolai accepts and soon Stepan goes missing. As Nikolai's star rises within the vory, an impressed Semyon sponsors him as a full member, due in part to Nikolai's protection of Semyon's incompetent son, who authorized a hit on a rival Chechen vory leader with the help of a Kurdish associate, Azim. The hit was ill-advised and not approved by Semyon. Two Chechen hitmen soon arrive in London seeking vengeance and kill Azim's mentally handicapped nephew who also took part in the hit. Semyon hatches a plan to trick Nikolai into temporarily taking Kirill's place during a