Daniel and Hector find themselves needing to escape a tricky situation to meet Frost for an exfil. Torres fights to maintain his cover and give his allies a leading edge.

Valerie helps a mother of five come to terms with her latest child's birth defect. The Turners oversee a measles vaccination trial at the clinic, but are concerned by an overly anxious first-time mother. They soon discover she is concealing a devastating loss, which could have serious repercussions. Nurse Crane decides to bring a taste of the seaside to Poplar for the Whitsun bank holiday, and Violet's political career goes from strength to strength as she wins the seat on the council for Poplar North.

After his bike is stolen, regular customer Marty consults The Guy, whose suggestion sends him down a surprising path. Bored with her mundane life, Darby finds ways to unnerve and bewilder strangers.

When innocent Syrian children are killed by an American-made cluster bomb, Elizabeth races to figure out what went wrong before Russia can use it as an excuse to escalate its military presence in the region. Also, Russell faces a PR nightmare after he gets into a heated argument with a homeless protester.

The NCIS team partners with the FBI to locate a terrorist cell in Los Angeles believed to be prepping for an imminent attack.

Jamie, Claire and Young Ian's attempt to rescue Roger from his Mohawk captors goes awry when a ghost from Claire's past lays waste to their plan. Brianna worries Claire, Jamie and Roger might not return.

Executive Producers/Writers Toni Graphia and Matthew B. Roberts reveal more about episode 413: "Man of Worth".

Frank searches for ways to finance Ingrid’s vision for their future together. Fiona’s anger issues cause problems at Patsy’s. Lip is forced to confront his real feelings for Tami. Kelly’s father attempts to get in the middle of her relationship with Carl. Kev and V realize they are in over their heads with their latest fostering endeavor.

Kara joins Nia on a trip to Nia’s hometown to visit her family during the town’s annual Harvest Festival. While home, Nia’s mother encourages her daughter to embrace her destiny. Meanwhile, Alex deals with a street drug that is turning people violent and giving them temporary superpowers.

Hays and West see a possible connection between the local church and the Purcell crimes. As the detectives search for one suspect and round up another one for interrogation, Woodard finds himself targeted by a vigilante group.