[1][2][3] Military Special Forces trooper Savely Govorkov, nicknamed "The Beast" (Dmitry Pevtsov), returns to Russia from Afghanistan war.

One of those, Alik (Boris Shcherbakov), is requested by his seemingly girlfriend Larissa to employ Govorkov as her bodyguard due to his honest personality and similarity to her brother, who died in Afghanistan.

Extremely hotheaded and jealous, Alik orders Savely to provide Larissa a 24/7 surveillance with only one exception - a mysterious professor she visits every Tuesday for Korean lessons and returns crying every time.

Upon arriving to one of Tayga's jails, grown up in a very bad neighborhood and toughly trained by his military martial art inspector Captain Shlikov, Govorkov refuses to obey local rules or being intimidated neither by correction officers nor by his cell-mates, which frustrates both sides.

Things, however, take a bad turn again once it is discovered that Varlamov has been murdered by an unknown crime lord who also sent 2 assassins - Ugriumov and Danilin - to eliminate Govorkov.

Upon returning to Moscow, Govorokov encounters Alik who reveals that "The Korean" is his boss with whom he shared Larissa for harassing purposes and the person himself is found out to be Vladimir Andreyevich - the "cashier", saved by Govorkov during one of his assignments.