Born into a criminal police family, he was a trouble-making devil when he was young. Finally, under the leadership of his father, he changed his ways and applied for the police academy. The police force initially made great achievements and was known as the "King of Hell".

But because of his arrogant personality, he was demoted to a certain district as a film police officer.

Because the old leader reused the murder case in the city, the mystery of each case is being revealed under his leadership.