光怪陆离的泰国，接连发生多起奇异的案件，“唐人街第一神探”唐仁的徒弟林默（邱泽 饰）,野田昊的弟弟野田昊二（陈哲远 饰），纷纷陷入探案的谜团之中……死者妻子IVY（张钧甯 饰）、酒吧歌手阿温（王真儿 饰）、五大灵童战队成员陆菁菁（程潇 饰）、初出茅庐的女警萨莎（张艺上 饰）也悉数登场，错综复杂的线索背后，藏于黑暗的真相正慢慢浮出水面……

After the death of a wealthy businessman, his relatives gathered at the Kairou Tei Hotel to wait for the distribution of his multi-billion dollar inheritance. Each person had their own hidden agenda, and Lin Zhen Hui, the butler of the hotel, was also involved.

At a critical moment, lawyer Zhou Yang arrived with the will and a mysterious letter, which revealed a fire and murder case that happened a year ago. The victim was the wealthy businessman’s illegitimate son, who had been living outside and was also the first heir to the entire inheritance.

The murderer seemed to be hiding among the people present.

Journalist Ye Pan is looking for the truth behind a puzzling double fall. During her investigation, she reports nurse Li Yue and mother You Xi as suspects, which triggers public outcry and the situation gradually gets out of control.