The plot revolves around the married couple Tina and Stanislav Kirillov, who have bought a cozy house outside the city. They are both architects. Everything is going well for the couple, both in their family life and in their professional careers. However, Mariana, Tina's friend since their university days, closely watches the Kirillovs' well-being. She also had feelings for Stanislav, but he chose Tina over her. Mariana cannot accept this and is willing to do anything to destroy their family.