In Republican Shanghai a handsome monster hunter Yu Wen seeks for another beast in the Grand Hotel. When the monster attacks Gu Qing, Yu Wen surrenders from the sky and interrupts the public confession of a wealthy detective, Tian Ming. The three of them are involved in a series of supernatural cases. All the clues point to a legend - the beast has returned to earth and a mysterious manipulator has surfaced....

Four female friends and former classmates – Xia Yan, Zhao Xiaolei, Xiang Nan, and Han Shuang – have formed a bond that could last a lifetime. But as they approach the end of their twenties, they all find themselves facing up to a range of very different challenges.

原本相看两生厌、互不信任不会武功的文治城主和舞刀弄枪的武将夫人因意外互换了身体，不得不接受现实的两人，在扮演对方身份的过程中，解开了误会，学会了爱与信任。结发为夫妻，恩爱两不疑。