Death Without Evidence

The richest man died mysteriously in his home, but the clues in the case all point to the innocent soul seeking his life? Amidst the panic, only the criminal investigation captain Mu Bei remained absolutely calm! He clearly knows that only the human heart can kill, and this must be the murderer's disguise. . . But as the case progressed, Mu Bei felt even more chilled! One by one, seemingly unrelated people surface. Could it be that there is really an invisible hand behind this case controlling everything?