Görünmeyen Düşman(1979)

The story of a police chief. The police chief, who has a tough but honest personality, marries the girl he loves. Some time later, it turns out that his father-in-law is a leading member of a mafia gang. The police chief goes after his father-in-law. Because of this incident, the happy life between the police chief and his wife turns into various conflicts, but in the end, everything works out.