After Charlie and Jordan counsel a prisoner who is close to being released, the prisoner gives Charlie a rat-tooth necklace that he made and asks him to deliver it to his girlfriend. Charlie does so, but the woman says she plans to leave her boyfriend and offers Charlie sex. The prisoner finds out his girlfriend cheated and is leaving, just before being released early. But Charlie has a scapegoat. Meanwhile, Charlie's therapy group members all try to give up something they love for 24 hours, but all soon fail.moreless
Johnny and Hank get to break in the new guy, Brian. They encounter a food allergy reaction masquerading as a heart attack and a portly man with a foreign object lodged in a hard-to-reach area.moreless
Nikita, Michael, and Alex pursue the black box, which has fallen into the hands of one of Amanda's agents. The remaining members of Division find themselves in danger from potential international buyers and the President, who is prepared to send the Navy SEALs to finish off Division if they cannot retrieve the box. Reformed rogue and arms dealer Cyrus returns to Division to help the team, which has no support staff, few leads, and is facing a clock ticking. With his help, Nikita, Michael and Alex stage a daring op at the tightly-secured G-20 economic summit to regain control of the box and everyone’s future.moreless
Nikita and Michael capture a former Division arms dealer named Cyrus who is acquiring a weapon-jamming device for Ari. Nikita devises a plan to use Cyrus as bait to track down Amanda, but Cyrus manages to escape the trap. However, Cyrus needs Nikita's help to survive after Amanda double crosses him. Meanwhile, Birkhoff continues to close in on Amanda's mole, and Alex starts to unravel.moreless
Chuck and Sarah go undercover in Milan in order to find a secret weapon.
The second part of the story begun in "Tick, Tick, Tick…," after Beckett's apartment is blown up it confirms that the serial killer is still alive. He taunts Castle, Beckett and Agent Shaw to catch him.moreless