The story revolves around a nurse named Masha Zvonareva. She is expecting a child from her beloved and dreams of a happy future. But everything changes when Masha learns that her beloved man has died. She wants to find the person responsible for his death, but in the meantime, she accidentally becomes the cause of a patient's death. Masha ends up behind bars and gives birth to her child there. Upon her release, she falls in love with a caring doctor named Petya, unaware of who he really is...