Aka：風過留痕 / ร่องรอยที่ลมพัดผ่าน / 真実 / 진실 / La Verdad / Tàn Tích Của Gió
Summary：The Criminal Technology Section of the Yunxi Public Security Bureau is the gathering place for local important and strange cases. Led by section chief Chen Guo Xian, the investigation team, formed by Si Yuan Long, Ye Qian, Leng Qi Ming, Wan Jin, and intern Wu Dan Qing, is a young and professional elite team.
