Treasure Detective

A national treasure that has been stolen for seventeen years, a mysterious ancient coin of unknown origin, two unsolved cases shrouded in fog, a murder case and a counterfeit have once again surfaced. Looking for Fangyuan, whose parents have been missing for 20 years, after experiencing seemingly unrelated cases, he finally used his careful reasoning and unremitting efforts to clear the fog, and finally revealed the truth of this unresolved case that spanned 20 years. A mysterious organization hidden in the depths of darkness also surfaced. . . . . .