Anonymous Signal

Former friends Kwok Pak-fei, Keung Hei-man, and Lau Lik reunite years after a botched operation led to a tragic death and estrangement. Now, a gruesome murder case tied to a human trafficking ring forces them to work together. As they investigate, mysterious messages appear with clues about the crimes, hinting at knowledge from the future. Together, they form a special unit, ASIB, to decode these messages and solve the chilling case.

Official website :https://programme.tvb.com/tc/anonymoussignal_140489/%E5%A5%AA%E5%91%BD%E6%8F%90%E7%A4%BA