Strong-willed and stubborn, Kathryn Nugle enters a man's profession, untested, inexperienced, and determined to solve a decade-old puzzle.
Intuition flagged her client's deception but didn't explain the mystery of his jacket's crimson stain. Blood doesn't lie. When the victim leaves damning evidence behind, fate throws Katt into a cascade of events that will challenge her skills.
Kidnapping leads to murder but doesn't stop Katt's investigation. When her technique refocuses the killer's attention, Katt must stay a step ahead to survive.
Mathew McAllister is the eldest of six siblings, all current or former detectives. Practical jokes and pranks are part and parcel of his daily life. The newest addition to the family fold is a wisecracking hacker who mangles his strained equanimity and tests his patience in Morse code, security breaches, and invasion of his cherished privacy.
When a vicious assassin paints a target on one of their own, the McAllisters close ranks to ferret out the twisted intentions of a serial killer.