D.I.D. 12 Episode 15

Cracks begin to appear within the New Seven Deadly Sins organization as some members start questioning the mission. When Ho Miu Suet’s daughter, Tang Tung Tung, goes missing, Ding Lok Fung launches an urgent search and eventually rescues her, arresting a suspect. Police believe the suspect may be the killers’ next target. Meanwhile, Ying Hoi discovers differences between past body-disposal cases and the latest murder, suggesting a different offender may be involved. As the investigation continues, Lok Fung notices several suspicious figures dressed in black. (Source: Chinese = TVB || Translation = KamilaRN at MyDramaList)