Due to a series of complicated case, Chief Inspector of Police Kong Ching-fun (Lai Lok-yi) invited King-fung, psychiatrist Wai Yui-kit (Benjamin Yuen), bomb disposal officer Yau Ngan-sing (Mandy Wong) and forensic anthropologist Fong Yuen-chin (Venus Wong) to the Special Crime Unit.
After being cured from Bipolar Disorder, Superintendent Nip Shan (Philip Keung) returned to lead the Special Crime Unit.
Meanwhile, he found out that Bik-sum is linked to his wife Leung Yat-sze's (Alice Chan) disappearance... A blessing ceremony was held on 3 June 2020.
[citation needed] The series was mostly praised in mainland China for its unconventional and unique plot.
Despite this, actor Vincent Wong thanked fans on social media for their support for the series.