The story tells the story of Tong Hu (played by Gao Fei) who rebels from his master to obtain the sword hidden in the master's sect and leads his disciples to break into the master's sect at night.Although Tong Hu successfully defeated many children of the master sect and learned where the sword was, he was struggling to find out that the treasure was hidden and how could the door be opened?Grandma Ma (played by Zhao Gangsheng), the owner of the Seven Star Armor, is a martial arts master, but his grandson Xiaogouzi (played by Sun Guoming) has not studied martial arts since childhood because of his grandmother's love and care.However, with the strong attitude of childhood sweetheart Hu Niu (played by Zou Meiyi), who had been reunited for a long time and the defeat of Tong Hu's apprentice who came to win the Seven-Star Armor, the little goubi began to realize that he should be committed to martial arts.So under the arrangement of Grandma Ma, the little gougi took the seven-star arrogance to learn martial arts.One day, Xiaogouzi and Gou Buli returned to the village to visit Grandma Ma. But they found that Grandma Ma had already died at the hands of Tong Hu, who came to take the armor at home. Tong Hu and others even attacked Xiaogouzi and others, trying to seize the seven-star armor.Fortunately, with the help of Gou Wanli, the two of them escaped unscrupulously.After returning to Gou Buli's residence, the puppy vowed to practice martial arts diligently and avenge Grandma Ma.