Wu Song arrives at the eastern gate, which he finds closed, but luckily not bolted. This is so because Jiang Zhong in advance has asked general Zhang to tell the guards to leave the gate unlocked, so that Jiang Zhong’s apprentices may get in. Wu Song seizes the opportunity to push the gate open and enters. At the general’s mansion, he jumps into the stables of the backyard, and finds the trusted subordinates of general Zhang drinking wine inside their room.
武松到了東門城門口，幸好城門關而未閂，因爲蔣忠以防徒弟進城，而事先由張都監作了安排，通知門軍爲他們留城。武松乘機推門而進，到了都監府由後馬院跳進去，發現張都監的心腹正在房間飲酒。