Vacations of Krosh(1980)

Vacations of Krosh is a Russian series following high school student Sergei Krasheninnikov, who befriends Vladimir Nikolayevich, a charming netsuke collector. What begins as an unlikely friendship quickly unravels when Krosh discovers the man's sinister true nature hidden beneath his genial exterior. Drawn into the collector's dangerous schemes, Krosh must navigate moral complexity and personal conscience to expose the truth and undo the damage. The series explores themes of deception, coming-of-age responsibility, and the masks people wear in society.