The Truth Seekers E01 Singaporean, Chinese with HC English subs
many thx to Angelhound
https://en.wikipedia.org/wiki/The_Truth_Seekers
The Truth Seekers (Chinese: 真探) is a Singaporean drama produced and telecast on Mediacorp Channel 8. The series stars Chen Hanwei, Rebecca Lim, Desmond Tan and Yusuke Fukuchi who play a team of cold-case investigators who go over unsolved mysteries to uncover the truth. It consists of 23 episodes, and began its run from 28 April 2016.