Peggy races against time to stop Ivchenko and Dottie from carrying out Leviathan's master plan using Stark's stolen technology.
Olivia is shocked to hear about a scandal from a government employee. Meanwhile, one of Olivia's old partners returns. Quinn's personal background begins to become a question for the team. Cyrus must reign in the president.moreless
Wes and Travis stake out the apartment of a novelist suspected of helping in a prison break.
A smuggling case takes the NCIS team to Mexico to investigate and find missing hazardous materials.
It's close to Halloween, and a man is found murdered in a graveyard - with a stick through his heart, and sporting fangs. Castle and Beckett track the murderer to a vampire cult, all the while Castle is trying on costumes for his Halloween party - costume mandatory!moreless