The series tells the story of a mysterious hitman named Gölge, who tries to find his identity while running for his life. After the betrayal of Servet, who pretends to be his long-lost father, Gölge suddenly finds himself living in a 50 square meter tailor shop in a foreign neighborhood. While he is hiding there until the situation improves, he learns that the locals thought he was the son of the shopkeeper who died. However, he quickly realizes that maintaining this identity will not be as easy as he thought. The more he lives in this new neighborhood, the more he will discover the secrets of his past and true identity, the more he will help those around him, and the more he will become someone new.