As a mystery novel, it is a dark probing into the nexus the crime underworld sometimes enjoys with the rich and powerful. Chen is arrested for the murder of a senator in circumstances that seem to leave no doubt of her guilt, but Castilblanco sets out to prove her innocence. In the process, the two detectives uncover an insidious conspiracy. After many plot twists, their case concludes in a surprising climax. As a thriller novel, the events and action will keep the reader turning the pages.

Is Chen guilty? With the many POIs, who's to blame for the senator's death? And why is the conspiracy go beyond the gun trade and arms smuggling?