Dai Zong brought Xiao Rang and Jin Dajian to Liangshan, where they were forced to join the band and forged a letter in Cai Jing’s name to save Song Jiang. Though the plan nearly succeeded, Huang Wenbing exposed the forged seal, and Dai Zong was imprisoned with Song Jiang. Cai Jiu ordered both executed. As panic spread, Liangshan heroes and Jiangzhou allies prepared a rescue. On the execution day, the heroes infiltrated the crowd in disguise. Li Kui struck first, killing the executioner and causing chaos, allowing Song Jiang and Dai Zong to be rescued and escape by water.