Starshiy syn

Late for the last commuter train and reluctant to spend the night outdoors, two young men trick a family into letting them stay in their apartment: one of them insists that he's the illegitimate son of the man who owns the apartment.

Starshiy syn is a 1976 drama movie directed by Vitaliy Melnikov, starring Nikolay Karachentsov, Evgeniy Leonov, Vladimir Izotov. It holds an IMDb rating of 7.9/10 from 1,405 votes and runs 2h 20m.