S.W.O.R.D. Chiku is a devastated and dangerous town with 5 gangs fighting fiercely. Before these 5 gangs, the legendary Mugen gang dominated the town. Mugen and the Amamiya Brothers (who did not submit to Mugen) clashed and Mugen disbanded, but . Written by http://asianwiki.com/High_%26_Low_The_Movie

Members of SWORD win against Wangan Rengogun, which is led by Kohaku (Akira). The city becomes peaceful again. Nevertheless, the most brutal gangs, Doubt and Prison Gang, appear. They try to dominate the area controlled by SWORD.