Intro. Hero (Li Feilong): The Li family's deputy brother, who is known for his handsomeness, but his body is different. I have been seriously ill since I was a child. He had to use a wheelchair and often coughed up blood. He looks weak and helpless on the outside, but he is actually the "one behind" the largest spy network in the capital. Heroine (Tang Xiaobao): The daughter of a Tang family general who was raised so cherishingly that she looked "stupid" and stubborn in the eyes of those around her. She often acts instinctively and is overly optimistic, often putting herself in danger. The beginning of the story The heroine is sent to get married to solve the problem for the hero who is seriously ill. The whole city laughs at how the sick "and dying people" meet and how "" they can survive, but the heroine takes care of the hero with sincerity and honesty, which makes the hero who has many evil plans in his head begin to shake. Conflicts and highlights Intelligence vs Honesty: The hero tries to use a complex plan to take down the enemy, but the heroine often "ruins" it with her honest good wishes, which ultimately inadvertently turns out to be good for the hero. Invisible Protection: Although the hero looks very sick and needs Mrs. A's care,