17 year old Cary Steckler masterminds a plot to humiliate his high school tormentors (Andre, Chuck and Tina) by kidnapping them and "putting them on trial" live on the web, and Emily and Matt have to revert to younger versions of themselves (she the picked-on, he the bully) to get through the teens and prevent tragedy...
A Homeland Security customs agent (Fisk) tries to allow a container into the port of Los Angeles without inspection. Fisk takes three people hostage when the container is about to be searched, and the FBI steps in to negotiate. Meanwhile, Emily contemplates accepting a one-year assignment on a Special Task Force in Quantico that would mean being separated from Matt, who does not respond as she had hoped.
Dennis Ryker, key witness in a top level money laundering trial against Norris Burke, is kidnapped with his partner Lorraine, who is soon freed. The kidnapper's MO and knowledgeability indicate a security forces professional with torture experience. He demands millions 'for the dirty money to be recovered', or will kill Ryker. The FBI agent in charge of the money investigation is Cheryl Carrera's ex, Sam Weaver. Several players prove dirty, but who is in league with who?
Californian juvenile prison riots are prevented by closing the institute and replacing it by an 'inhumane' state-of-the-art security facility. Murder-convicted lifer Jerome 'Rome' Kaden is violent towards the rookie guard Tony, but the leader of the inmate gang prevents the attack. Matt sympathizes with the sole demand - a televised hearing from senator Espinosa, and even digs into his past when he demands SWAT-type action. This may cost him his job and Emily. An unequal inmate bond also proves crucial.
The CNU resolves a hostage situation when a corporate executive takes 16 hostages in the company's boardroom. A second crisis involves a domestic situation that results in Matt and Emily questioning a decision they had made during the earlier standoff.