Lilya Semyonova lives with her mother in a small provincial town and works as a dispatcher at a taxi company. She still mourns the departure of her father and anxiously follows his new family's life. Eight years ago, she dreamed of a career in medicine and worked as a nurse in a hospital while preparing to enter a medical university. One day, a group of her step-sister Eva's friends came to the hospital seeking help. After they left, some medicine went missing and Lilya was accused of negligence and fired. Even her father, taking Eva's side, didn't believe in her innocence, as Eva skillfully portrayed herself as the victim. This incident severed their relationship. Years later, her father decides to reconnect and invites Lilya to his home. In order not to appear as a complete failure compared to the successful and vibrant Eva, Lilya lies and claims to have received a marriage proposal. Now she has to find a fake fiancé. However, Eva, who is jealous of Lilya's relationship with their father, constantly throws obstacles in her way. It turns out that Lilya's new employer, Victor, whom she has also fallen in love with, is Eva's fiancé. Lilya no longer wants to feel like a failure and accepts the challenge of fate and her rival.