Lucas Cano, (Machete) an ex-bodyguard for the Mexican President, tired of his life style, retires to a remote small town in Mexico, in hope of finding peace. But things do not work out for him the way...

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A man finds out the child he has been raising for 9 years might not be his son after all. They then set out to find the real biological father....

故事的主人公弯刀（Machete）是一个技术娴熟的杀手，一次他被雇佣去刺杀某个参议员然而就在他瞄准目标准备开枪的时候，突然发现另外有人正在向自己瞄准。弯刀明白自己被设计了，在好不容易从狙击手的枪下生还后，他决定要向当初的雇主复仇。同时弯刀还为自己找了个帮手——他以前的老朋友，如今已成为一...