Shackle (2018)

Original title: Сережка

A once famous writer’s wife went missing. Their passionate and gentle - love, with time grew into an incurable disease that destroyed everything great that ever united them. She couldn’t take it and left him, and he is trying to fight his guilt, break free, let go of his wife and forgive her for disappearing, for betraying, for cheating, of which she confessed right before she left.