The Neighbors episode 20

Late at night, actress Zhou Yun Qi was mysteriously murdered in her home. As Detective Zhao Shang delves deeper into the investigation, he narrows down the suspects to six of Zhou Yun Qi's close neighbors: bar owner Brother Dong, private driver Wang Lei, boxing coach Chen Ziang, autistic teenager Qian Xiao Ming, best friend Leng Mei Zhen, and "rich and beautiful" Chen Jia Jia. Obsession, jealousy, love, hate, voyeurism, and adoration—each of these six individuals harbors complex emotions toward Zhou Yun Qi, weaving an invisible web with her at the center. Her presence, like a mirror, reflects the light and darkness, the insignificance and greatness, of those around her. In this deadly game where everyone is a potential villain, each person has a motive and their own desires and interests. Behind those seemingly kind smiles, sharp blades are hidden. Who is the real killer? Zhao Shang finds himself lost in the fog of mystery while the countdown of his own life begins ticking away... (Source: Chinese = Douban || Translation = MyDramaList)