

Jay Kingsley is a transcendental character that provides a contrasting perspective against his partner, Samuel. While Samuel’s great gravity and the aura of the case intensifies the mood in many scenes, Jay mollifies the situation by his concerns for Samuel. However, he brings a lot of assistance to the team, providing informational background in the medical field. Among all the characters, he is the most passionate and tries to refrain Samuel from not only taking drugs, but also from losing his

Holidays is a consulting criminal profiler who is summoned by the Hong Kong Police Department to solve seemingly unsolvable crimes using his innate deciphering skills. His one true weakness, however, would have to be his lack of focus when different events and mentionings forces him to recall the tragic accidents that had caused him years of sorrows and despair. Following after the death of his true love, Helen, Samuel had abandoned his old identity as a normal man and pursued a life as a crime

The Inspector is an aggressive character in the story, who has a strong sense of justice and little sympathy for wrongdoers in the story. He is a man of great vigor who commits his entire time and effort for the apprehension of criminal. He acknowledges Samuel’s great talent in solving such cases, and for this reason, has been consistently patient with him. It’s only in the final episode that he yells at Samuel for his perfunctory performance. To some degree, the Inspector is also selfish, as he