But the authorities soon track down essential clues and an arrest party is sent to seize Chao Gai at his house. Chao, Wu Yong, Gongsun Sheng and Liu Tang flee to Shijie village. The Ruan brothers, familiar with the surrounding waters, lure the soldiers who have come for them into the waterways and wipe them out. The seven men then seek refuge in the bandit stronghold of Liangshan Marsh.