The play is adapted from the novel of the same name by writer Li Tonghao. The story begins with a bizarre murder in the community, and unravels a series of unexpected developments, and the people in the community where the crime occurred are related to the victims and hide secrets.　　After playing Dongdong (played by Liu Guanting) and his neighbor flight attendant Lin Meng (played by Sui Tang) after a night of passion, he found that the other party died of death, Dongdong not only could not be found by his girlfriend Xiaolu (played by Wang Jing), but also had to hide the fact that he was at the scene, Dongdong tried to find out the real culprit who hid the apartment, but unexpectedly, he dug up secrets that could not be said.