Знахарь(2008)

Знахарь is a Russian drama series following Konstantin Razin, a talented physician whose life implodes when he's falsely convicted of murder. Imprisoned, he earns the nickname "Witch Doctor" for his medical skills, but discovers his downfall stems from betrayal by those closest to him. Consumed by the revelation, Razin abandons his former identity and dedicates himself to a singular, dark purpose: revenge. The series explores themes of injustice, transformation, and the destructive power of vengeance as a man stripped of everything plots his return from the shadows of the prison system.