Youth of the Beast

The film begins with a scene of a policeman committing suicide. Then a cold and rude man beat up a gang leader in a nightclub, but the gang boss took notice and asked him to work for him. He quickly became a celebrity in the gang. At the same time, he had frequent contact with the gang's mortal enemies, triggering a fierce struggle between the two factions. It turns out that all this was caused by the suicide incident.