The killer Xiaozhuang accidentally injured the showgirl Jenny in an assassination operation, causing her to be nearly blind. He feels deeply guilty that he has been protecting and helping her secretly.
In order to raise a sum of money to send Jenny to a foreign medical eye, Xiao Zhuang became a killer again. Unexpectedly, after completing the task, not only could he not receive the money, but he was also hunted down. It was Wang Hai who hired him to kill him who ordered him to be killed.
The police detective Li Ying, who was ordered to investigate the murder case, discovered that Xiao Zhuang was not a cold-blooded killer, but a benevolent, wise and courageous man. Even though the two of them are in black and white, they have a lot in common. He and Xiao Zhuang cherish each other. In the pursuit of them by the Wang Hai bandit gang, they even became friends of life and death.
In their joint efforts to destroy the Wang Hai bandit, Xiao Zhuang unfortunately died. Li Ying killed Wang Hai to avenge Xiao Zhuang.
