The Lightest Darkness
When a neurotic private eye who struggles to finish the case takes a train voyage to confront the inevitability of his case’s conclusion, his own dark secrets begin to reveal themselves.
Starring Rashid Aitouganov, Vyacheslav Manucharov, Alexander Rapoport, Ekaterina Dar, Kolya Neukoelln, Irina Gevorgyan, Tatyana Ukharova
Watch "The Lightest Darkness" on Tubi TV released in 2022. It's a mystery and thriller movie, and has a rating of 6.3 out of 10 from Imdb which is usually fine for this kind of movie, and is currently available to watch for free.