Set in 1932, amid the rise of militarism after the establishment of the Manchukuo colony in Northeast China, the story centers on a trio of karateka. Studying under their aging master in a small dojo in the woods of central Kyushu, Choei, Taikan and Giryu face a company of kempeitai military police come to requisition their dojo for use as a military base.

High schooler Kei Tsuchiya joins The Destroyers when she decides that her longtime karate master is holding her back. She realizes her mistake but it's too late.

In pursuit of his love of extreme dance, Ken (Joey Beni) wanders the globe and makes his to Okinawa, Japan. There, Ken meets Iwao Shinjo (Masahiro Aragaki) who is a master of the Ryukyu Classical Dance. Ken learns the steps for Ryukyu Classical Dance, which itself secretly holds the techniques for Ryukyu Karate.