The TV series "Laughter in yiguang" tells the story of a group of seemingly funny guys in Daming Capital, and together with a killer from the East Factory and the West Factory, they form a magical detective team. At the beginning of the play, Chen Muchan (played by Yang Haoyu) gets the scroll, and the husband and wife are hunted by the killer. Finally, the husband and wife were forced to the edge of the cliff by the killer and had no choice but to jump off the cliff. It turned out that Chen Muchan and his wife did not die. The pregnant woman is Chen Muchan in disguise. This scroll was specially left to Zhu Yipin by Chen Muchan. He hoped that Zhu Yipin could work miracles. The ups and downs of the tense plot and the spoof performance of The Story of yiguang's Laughter have brought a lot of relaxation and pleasure to the audience.
In this play, Chen Muchan, played by Yang Haoyu, not only continues the humorous style of Longmen Escort Agency, but also adapts the classic famous sayings, which instantly makes the audience shine. Among them, when Chen Muchan was in a crisis, he said: "Heaven has a great responsibility for Sri Lanka, so we must first push the fire pit." Although Yang Haoyu is only a guest star in Laughter at the Medical Museum, his funny style will be carried through to the end.