The Russian TV series "Kidney" tells the story of Natalya Kustova, a fire inspector. The heroine is quite content with her life, as each inspection promises a big payoff. For personal gain, she is willing to do anything, even steal from her own brother and sister. Kustova is convinced that everything in life can be bought: influential acquaintances, housing, luxury brand clothing, and even men. However, during a medical examination, it is revealed that Natalya urgently needs a surgery. A donor is needed...