Suspect No. 1 of Night Returner

A murder case occurred in a certain city community. A woman with no injuries on her body died in the bedroom, and everyone was in danger for a while. Captain Liu of the Criminal Police Team investigated the case, and gradually all the people involved in the case surfaced. A husband who is busy with his career and rarely comes home; a weak and lovely daughter who is studying abroad; an ambitious cousin who wants to get a higher position; a driver who looks innocent and smooth, and a mysterious female suspect in the driver's mouth. There is a mystery hidden behind the seemingly simple case. The investigation process of the case is twists and turns, with layers of twists and turns. Who among the five suspects is the real murderer? How to bring the murderer to justice without conclusive evidence? Underneath the vicious murder, a treacherous secret battle is quietly going on...