Thief Nikolai Kotenko is released from prison, determined to start a new honest life for the sake of his beloved wife Nadia and two young children who are waiting for him at home. However, the underworld does not want to let Nikolay go. He is forced to take someone else's fault for the murder under the threat of reprisal against his family. Nikolai gets 25 years in prison, and Nadia draws up a divorce and leaves with the children in an unknown direction. 20 years pass.—zoroman2008

Nadezhda was seventeen when she fell head over heels in love. She named her first child, a son, Andrey and three years later gave birth to a daughter Lena. Years passed. The children have grown up. Andrey Sayenko is now a kind and handsome young man of 24. He faithfully loves his mother and sister and is proud of his father, a renowned veteran of internal troops Dmitriy Sayenko. Andrey is happy and full of enthusiasm when, having graduated from a law school summa cum laude, he starts following in his father's footsteps. Dmitriy is proud of his son, he believes in his successful future and takes him into service under his guidance. Andrey starts working as a correction officer at a prison but does not know that his own life, as well as the life of his whole family, is going to change drastically very soon. He does not suspect that the man he has called his father all his life is not his relative at all. At the same time, Nikolay Kotenko, a jailbird nicknamed «Kat», who is transferred to their prison, turns out to be his biological father. Dmitriy Sayenko has always known that he married a young widow with two little children. However, like Andrey, he does not know that Nikolay Kotenko is his wife's ex-husband and the biological father of his stepchildren. For Dmitriy, Kot is just a crime lord, a kingpin who has to be reminded who is the real boss here.

Nadezhda was seventeen when she fell head over heels in love. She named her first child, a son, Andrey and three years later gave birth to a daughter Lena. Years passed. The children have grown up. Andrey Sayenko is now a kind and handsome young man of 24. He faithfully loves his mother and sister and is proud of his father, a renowned veteran of internal troops Dmitriy Sayenko. Andrey is happy and full of enthusiasm when, having graduated from a law school summa cum laude, he starts following in his father's footsteps. Dmitriy is proud of his son, he believes in his successful future and takes him into service under his guidance. Andrey starts working as a correction officer at a prison but does not know that his own life as well as the life of his whole family is going to change drastically very soon. He does not suspect that the man he has called his father all his life is not his relative at all. At the same time, Nikolay Kotenko, a jailbird nicknamed «Kat», who is transferred to their prison, turns out to be his biological father. Dmitriy Sayenko has always known that he married a young widow with two little children. However, like Andrey, he does not know that Nikolay Kotenko is his wife's ex-husband and a biological father of his stepchildren. For Dmitriy, Kot is just a crime lord, a kingpin who has to be reminded who is the real boss here.