Two years after receiving news of his father’s death in WWII a young boy continues to wait for trains from the front. The boy lives with his crippled uncle rather than with his mother, who has remarried and has another child. Then one day the father returns.

The young librarian Ksenia, who until recently was solving her numerous family and financial problems, one day becomes the owner of an inheritance - a huge apartment, a bank account and a new Mercedes, and with it many secrets and mysteries. Ksenia understands that in this life nothing happens just like that... Step by step she is approaching the solution, not realizing that a threat is already hanging over her...