The play is adapted from the novel of the same name by writer Li Tonghao. The story begins with a bizarre murder case in the community, and gradually reveals a series of unexpected developments. The people in the community where the case occurred are all related to the victim and have hidden secrets. Wannian Lin Dong (played by Liu Guanting) and his neighbor, the flight attendant Lin Meng (played by Sui Tang), had a passionate night, but found that the other party had died. Dong Dong not only did not want to be discovered by his girlfriend Xiaolu (played by Wang Jing), but also had to hide the fact that he was at the scene. Dong Dong tried to find the real murderer hiding in the apartment, but unexpectedly, he dug up a series of secrets that could not be told.