The city of Yokohama was maintained by two Mafia Families - the Nakahara Family and the Tsushima Family. When an enemy targets the Nakahara Family, with no end in sight, they find their only hopes lies in an alliance... with their greatest enemy, the Tsushima Family. But their help comes with a price - a marriage between the two heirs! Will both sides survive not only this enemy, but each other? (I'm so sorry this summary sucks - and more information is inside)