Bull and the TAC team must call upon all their collective experience to locate Bull's kidnapped daughter, and the abductor warns them not to go to the police. As Bull works to build the most important psych profile of his life, he begins to suspect the captor is someone connected to his past.
When a romantic getaway to Paris takes a dark turn with the sudden disappearance of her boyfriend Tom aboard a train to the south of France, Alice is plunged into a web of intrigue and danger, uncovering shocking secrets about the man she thought she knew