1934年在日本武术学校之间有开放敌手战斗。有一次战斗在市场， 三名中国学生当他们协助帮会攻击战斗以致他们的学校被毁坏，并且他们被驱逐。<br>这三名学生回到了中国，并建立了他们自己的学校，也下决心在友好访问对其它武术学校，在访问中他们发现了兄弟学校由日本人已经控制……
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