Jacob Pearce is at last in custody, but he still has one last card to play and he unleashes the full scale of his operation to escape; Zara and Vincent try their best to maintain the upper hand.

As Jacob's plan is about to succeed, Zara, Vincent and Juliette fear they will have to give in to his ultimatum. A race against time then begins against Pearce who hits the target. Will they succeed in saving Paris?