Episode 4 - S1.E4

PING wants to question ON the case. However, HEI advises PING not to asks ON as HEI does not want ON to offend the palace rule. AU meets a brave girl when he is patrolling. She is hurt for AU's sake. AU brings her home and gives her some treatment. AU arranges to offer up a sacrifice to heaven as there are a lot of natural disaster recently. AU quarrels with the astronomical officer. Ultimately, HEI postpones the palace renovation and reserves some money for offering sacrifice to heaven, it could then settle the quarrel. AU accuses MON and claims that his western calendar is some demoniacal arts. MON changes the time to bury Prince WING without the emperor's prior consent. MON is then being sentenced to death. Even HEI could not rescue him. By the time they want to execute the punishment, there is an earth quake.