Episode 4 recap: Agreement reached between Ning Yuan Zhou and Ruyi.

Agreement reached between Ning Yuan Zhou and Ruyi.Ning Yuan Zhou mocked Ruyi, saying that she couldn't even handle a simple task like catching a white sparrow. Ruyi believed she was the best assassin and that no one else could compare. However, Ning Yuan Zhou believed that a skilled assassin would never reveal their identity and martial arts abilities by returning and exposing themselves.

Ruyi told Ning Yuan Zhou that she wouldn't owe him any favors because Yuan Lu informed her that Ning Yuan Zhou had killed Zhao Ji. Ning Yuan Zhou thought that if that was the case, they could settle their debts. Ruyi questioned why Ning Yuan Zhou, who was now the leader of the Six Paths Hall, would let her go. Ning Yuan Zhou explained that it was a decision he made before becoming the leader of the Six Paths Hall, and Ruyi had already done everything she could to repay her debt. He considered it a gesture of goodwill and believed that Ruyi should be grateful that her characteristics didn't match those of the enemies of the Six Paths Hall, or else he wouldn't have been so kind-hearted.

Ruyi thought that Ning Yuan Zhou's soft-heartedness was the reason he was betrayed by someone like Zhao Ji. Ning Yuan Zhou believed that both of them were in the same situation, as Ruyi, being an assassin, would also go against the Six Paths Hall for the sake of the white sparrow, showing a lack of intelligence. Ruyi said she was nobody, just a dead person who voluntarily stayed behind to help Ning Yuan Zhou and his team investigate who Mr. Yue really was. Ning Yuan Zhou believed that Zhao Ji and the others were almost dead, and the people who knew who Mr. Yue was were no longer alive. Ruyi asked Ning Yuan Zhou to help her find the murderer of her deceased friend, and Ning Yuan Zhou suggested that they go their separate ways and mind their own business. And so, Ruyi left.

The Six Paths Hall finally gathered all its members and prepared to depart for Anguo. Ning Yuan Zhou became a bit dizzy after drinking some wine and was mocked by his companions. Yuan Lu asked if Ruyi had told him her true identity when she left, and Ning Yuan Zhou confirmed that it was as he had guessed, even though she didn't explicitly say it.

Chu Gui Fei was very pleased with the banquet and even persuaded the Emperor to bestow a noble title upon Li Tong Guang. The princes around them couldn't bear it and mocked Li Tong Guang for having impure bloodlines. Chu Gui Fei liked Li Tong Guang very much and found the old man annoying. Li Tong Guang pretended to please Chu Gui Fei despite not liking her.

Yang Ying was delighted to see Ning Yuan Zhou and felt safe. Du Zhang Shi also felt relieved. Qian Zhao was happy to see the princess and awkwardly took out flowers, creating an awkward atmosphere.

Yang Ying complained to Ning Yuan Zhou that the people around her were bullying and restraining her. The officials were complaining that Princess Yang Ying was not capable and couldn't live up to expectations. Du Zhang Shi believed that Yang Ying was pretending to be incompetent, and it was only in Anguo that she could let her guard down. Ning Yuan Zhou thought that if she acted that way, it would raise suspicions in Anguo. Mr. Yue wanted to pursue the fugitive but discovered that the person they captured was an imposter. The imposter realized that he might be in danger and believed that someone from the Left Historian faction must have sent him, ensuring that he wouldn't return.

Mr. Yue thought it was impossible, and that person must be dead. Mr. Yue was afraid of Ruyi. When Ruyi found out that Mr. Yue knew this order was issued by the headquarters, she had some doubts. Seeing the seriousness in the woman's face, Mr. Yue felt that this business with the Yue family was well organized. Mr. Yue tested Ruyi and tried to attack her when she least expected it. Ruyi noticed her sword trembling and knew it was a good opportunity for them to kill her.

Just when Ruyi saw that they were coming to help, realizing she was no match for them, Ning Yuan Zhou arrived and helped Ruyi kill Mr. Yue. Ning Yuan Zhou wanted to make an agreement with Ruyi. Ning Yuan Zhou made a vow, and Ruyi told Ning Yuan Zhou that she was actually Ren Xin. This stunned Ning Yuan Zhou as he believed Ren Xin was a man. Ruyi explained that it was the identity she used on missions. Ruyi realized that Zhang Song's Six Paths Hall might not be as powerful as she had thought, and she regretted making the deal.

Ning Yuan Zhou believed that Ruyi didn't have a choice now. Yuan Lu believed that Ruyi teaching Yang Ying to disguise herself as a man wouldn't expose them. Li Tong Guang was angry when he heard that the Emperor promoted him because he wanted Li Tong Guang to teach his son. Li Tong Guang confronted Chu Gui Fei, telling her that the Emperor promoted him to suppress him. Chu Gui Fei thought Li Tong Guang found her dirty. Li Tong Guang discovered someone eavesdropping and caught the person, realizing it was Liuli, the maid who had served him in his childhood. He suddenly remembered the past events.