Matt Connell, a formerly successful literary agent who' s been in prison for four years for a crime of passion— homicide by strangulation after learning his wife slept with a friend— receives an early release from Sing Sing to join an FBI undercover investigation of multiple murders in Manhattan. Killings continue to mount as Matt does his best to calm his " Ferrari brain" — a condition in which his mind accelerates wildly into negative thoughts and worst-case scenarios— even as he falls in love with a suspect, then discovers disturbing truths about his past and hers. When he finds his own life in danger, can he stand up for the Bureau' s heralded principles of Fidelity, Bravery, and Integrity? Not to mention genuine love?