通过两代刀客与一把刀互相认知和驯化的过程，讲述了身处乱世中的主人公阿狗，在经历了一些江湖厮杀与纷争后，发现并勇于改变自我，最终，从一位籍籍无名的自卑小乞丐，成长为一位心怀天下、救世为民的英雄的励志故事。
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