Norman, a gifted criminal profiler known for his uncanny insights, is called to inspect a pair of bodies found buried in concrete, but unfortunately his profiling abilities have disappeared.
With his abilities returned, Norman inspects Tan's body and forms the police's first profile of the killer, dubbed Carlos.
Julianna uncovers evidence that her father has been embezzling large sums of money from the company. She invites Norman to a dinner with her father and his associates so that he can profile her father.
Norman searches for answers when a doctor is killed by the brutal serial killer. He soon finds out that all the murder cases have links to Tassan case that occurred 20 years ago.
Norman awakens in Carlos' lair, covered in blood, with no memory of what has happened or how he got there. He discovers that Carlos' lair is actually a hidden room within his apartment.
Kelvin and the police discover the shocking truth about Norman and Tuan Johari confesses that all this while, he has been forced to do the bidding of a mysterious organization, the Dark Circle.