Joe Cassidy

Sansa says too much. Shae asks Tyrion for a favor. Jaime finds a way to pass the time. Arya runs into the Brotherhood Without Banners.

As Danny and Maria investigate the murders of three prominent community leaders who appear to be the casualties of hate crimes, Frank meets with a group who wants to make sure these incidents are not taken lightly. Meanwhile, after Linda is mugged, she decides she wants to carry a gun, even against Danny's wishes. Victor Garber guest stars.

When Holmes and Watson set out to track down a civil contractor who leaked classified information, their lives are disrupted when they are targeted by the group of cyber-activists protecting him. Meanwhile, Joan takes the advice of a friend and signs up for an online dating service. Tony Award winner Steve Kazee guest stars.

Elizabeth and cabinet members brace for the fallout at home and abroad as President Dalton prepares for a retaliatory nuclear attack on a country that has reportedly just launched missiles bound for the U.S.

When two Marines are accidentally killed in a weapons test, Abe and Harper square off against Trey as prosecution and defense for the soldier who is accused of tampering with the system. Also, Abe helps out his best friend's widow, Alex (Justine Cotsonas), and Col. Turnbull gives Maya an important assignment.