The film tells the story of Liao Jun who found a smuggled pistol on a fishing boat, was chased by the underworld and chased by the police, and fled with Zhuo Shengli and his wife who rescued him, and took refuge with his nephew Qiu Wenyuan. The five went north to join Asi, but found him down. Fortunately, with the help of the rich widow Bai Bingbing, the seven-member universal service company has experienced the warmth and coldness of human feelings, experienced the dignity of life, and reflected on innocent humanity. When the business is successful, the underworld seeks revenge, and the seven work together to subdue it. Qiu Wenyuan married Cai Jiahong, and the story of Cai using a steam roller to crush smuggled pistols at the wedding.
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