Sheng Wang, Vice Captain of Carp City's Criminal Investigation Division, is on the trail of a murder suspect in the high-profile killing of a famous actor. His investigation unexpectedly leads him to the penthouse of Jiang Tian, his enigmatic ex-boyfriend who vanished from his life eight years ago. Disclaimer: This is a work of fanfiction. The characters, settings, and events depicted are based on Mou Mou by author Mu Su Li and all rights to those properties belong to their respective creators and copyright holders. This story is for entertainment purposes only and is not intended for commercial use.