Mo Mo is a senior otaku who woke up and traveled to the Zhaoxi Dynasty while sleeping at home. There I met the kind and gentle Jun Ting, the cold and handsome Nan Qiuying, the funny and cute Feng Yisheng and the passionate and romantic Gong Liyue.
Not only are these four people highly skilled in martial arts, they are all rich and handsome. They also serve for Beichen Ye, the emperor of the Zhaoxi Dynasty. After Mo Mo traveled through time, he started a series of funny things with them, inventing Simmons, a music box, opening a brothel, and opening a restaurant. At the same time, it also brought many surprising things to them. Slowly, the four people's feelings towards Mo Mo changed subtly...