The prosecutor—Julia Valenciano. Young and ambitious, and facing a case that could launch her career. The defendant—David Marquette. A successful Miami surgeon and devoted family man. The victims—Marquette’s own wife and three small children. The plea—Not Guilty by Reason of Insanity. The perfect father and model husband, David Marquette seemingly just snapped. His experienced defense team claims paranoid delusions caused by schizophrenia drove him to slaughter his entire family.

But the state suspects Marquette’s insanity defense is being fabricated to disguise murders that were cold blooded and calculated. Worse, Julia believes Marquette could be responsible for a string of unsolved, brutal homicides. Could he be one of the most prolific and elusive serial killers in the country’s history? To bring him to justice, Julia must embark on a terrifying personal journey back into her own past—something she has struggled to forget for fifteen years. And this will lead her to confront a future so chilling, she’s not sure she will ever be able to face it...

Plea of Insanity confirms Jilliane Hoffman as a major thriller writer at the peak of her powers.