Gao Yang

Ten years ago, in order to control the government, the Prime Minister contacted an assassin organization to kill the General. After witnessing her father's murder, the general's daughter, Qing Tian, coincidentally learns that the prime minister who adopted her is the real culprit behind her father's assassination, and that one of the assassins who killed her father, the assassin, Shadow, under the name of Wei Ping, works as a guard in the prime minister's mansion.

In order to pay for the donkey that brings them water, a countryside village registers it as a teacher at its local school. But when the charity group that funds the school visits for an inspection, the village has to find ways to hide their secret.