At Liangshan
When Chao Gai and his six friends flee to Liangshan for refuge after robbing the convoy of birthday gifts, Wang Lun tries to send them away again with precious gifts. Lin Chong is furious with Wang Lun and Wu Yong seizes the opportunity to instigate Lin to kill Wang. Chao Gai then becomes the new chief of Liangshan and he recruits Wang Lun's former deputies, including Zhu Gui.
On another occasion, Li Kui goes home to fetch his mother to Liangshan. Song Jiang is worried that Li Kui's fiery temper might bring trouble for him so he asks Zhu Gui to watch over Li secretly. As Song Jiang expected, Li Kui does run into some trouble and he is captured in a trap set by Squire Cao. The constable Li Yun leads some soldiers to escort Li Kui to the county office. Zhu Gui and his younger brother, Zhu Fu, serve the soldiers food and wine spiked with drugs and knock them out. Li Kui is rescued and he kills the soldiers. Zhu Gui and his brother also succeed in persuading Li Yun to join Liangshan as well.
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