I Have Special Investigative Skills

In order to find out the huge conspiracy of the mysterious man, Zhang San, the underworld messenger who travels between the Yin and Yang realms, began an investigation. During the period, he received the assistance of Taoist masters Wu Guo and Ying Yue. The corpse dismemberment case? Soul collector? Another world? Forgot time and space? The huge conspiracy was uncovered bit by bit by Zhang San and his friends...