Former orphan Tosya loses her fiancé, home, and job but finds purpose as a janitor, mending residents' lives at the "Dream" complex through compassion and resilience.

Former orphan Tosya Kalugina hit a bad point in her life - she lost her fiancé, apartment and job. To survive, the girl gets a job as a janitor in the "Dream" residential complex. Thanks to her hard work and attentive attitude towards people, Tosya quickly wins the hearts of the residents of the residential complex: she helps an ever-busy businesswoman establish relationships with her teenage daughter, inspires a former artist to return to painting, and takes care of the lonely elderly actress Vera Pavlovna.