When the Day Breaks

Gunfire breaks out in the middle of a peaceful city. A suspected terrorist, who fired the gun, is caught. The suspect is a forensic doctor for the National Forensic Service. While the terrorist suspect is interrogated, a profiler discovers a hidden truth.
(Source: AsianWiki)
~~ Adapted from the novel "The Long Night" (长夜难明) by Zi Jin Chen (紫金陈).