wire attached to the pin of a hand grenade, neatly set up right across the front door of their apartment. Sasha manages to grab the armed grenade and throw it into the stairwell after a neighbour's dog rushed to rip the wire and release the pin. Afterwards, in Kosmos's father's apartment, Olga confesses to Sasha despite her knowing who he is and what he does, she still loves him. Knowing that such action could have been carried out only by a mole, Sasha stages his imminent departure to Yalta, which causes the mole to reveal himself. Afterwards he is driven out into the woods and killed. Belov openly states to his Brigada that anyone who tries something like that will share his fate. Kaverin shows Artur the picture of the dead mole, and much to irritation of Artur for the failed attempt to remove Belov, Kaverin tries to convince him that this is a perfect evidence to legally crush the Brigada. Artur refuses, but at that instant the Brigada burst into the office. Artur and Kaverin just manage to hide in the toilet, and Kosmos and Bee nearly assault Artur's secretary Lyuda. After they leave, Kaverin takes drunk Artur's signature to write a statement by himself. Yet at this point Vvedensky's KGB move in, and Kaverin is promptly discharged from service. Simultaneously the original Aluminium producer from Tajikistan calls for the Tajik mafia to move in against Belov for hijacking their deal, as Artur paid only half the fee. In an imminent gang duel Bely recognises the leader as his old army friend Farkhad Dzhurayev (Farik). The two instead choose to turn to Drug trade, where Belov's Aluminium trains would be used to smuggle heroin from Tajikistan. To celebrate the deal, both Belov's Brigada and Farik's godfathers go to a lavish restaurant, where they witness Olga performing. Vvedensky makes contact with Belov and under threat of prison announces that narcotics are to be only transited via Russia. In return for Belov's agreement, Artur is forced to give up his position and emigrate, and Belov fully takes over Kurs-Invest including its office and even Artur's secretary, Lyuda. Olga, after graduation from the Philharmonia fails to begin her music career, and instead turns to her former course-mate Vitalik, and joins his band. Vitalik, not hiding his attraction to Olga, tries to blackmail her into leaving her husband, who openly disapproves of both