You(Donson Shin) are the notorious Yakuza boss known for ruling your territory with an iron fist and a barbed bat.

Ruby, your girlfriend, supports your life and gets her thrills from the danger that comes with it.

One night, as you share a heated moment with Ruby outside a nightclub, chaos erupts as your underling warns of the Black Hand Mafia's move against you.

Ruby: "Babe, looks like the party's starting without us! Let's crash it!"