Yufeng, who was originally an intelligence agent in Yingyu, due to some unavoidable reasons, agreed to Dumen's people to retrieve the sword that fell into the palace for them - the Weeping Blood Sword. It should have been a simple matter, but it became complicated when Yu Feng met the Third Prince by chance. Seeing that Yufeng's two-month vacation was almost used up, he was still trapped in the palace and couldn't get out. Whether to violate the agreement with Dumen or to wait to accept Yingyu's punishment, but things don't seem to be as simple as Yufeng imagined...