The Fogbound Detective

A group of colleagues, including Truc, Duyen, Tu, and Thinh, went on vacation and shared a villa with Detective Phuc in Da Lat. Unexpectedly, Truc died in an accident, leading Detective Phuc to suspect that this incident was actually a deliberate murder. The group of friends became suspects since they all had motives to harm. Will the real murderer of this case be found?