To leave the assassin organization known as the Window of Heaven, leader Zhou Zi Shu uses a deadly technique that gives him only three years to live. Disguised and alone, he wanders the martial arts world, pretending to be a carefree drunk.

Three months later, he meets the enigmatic Wen Ke Xing, who quickly sees through his act. As they grow closer, the two are drawn into a dangerous conspiracy involving the Glazed Armor—a legendary key to a powerful armory.