A naive agent makes a discovery about the Westacres bomber. Lamb suspects that David knows more than he’s letting on.

River is trapped in France. Back at Slough House, the Dogs have come for Lamb.

Taverner is desperate to hide dangerous secrets. River seeks answers at his grandfather’s house.

Lamb questions David about France as River comes face to face with the enemy.

Impossible decisions are faced and sacrifices are made.

A London bombing puts Taverner under pressure. When River grows concerned for his grandfather, Louisa encourages him to go for a visit.

The whole family makes mistakes.

Tallinn ventures inside Picard’s subconscious mind to help wake him from a coma and face both his darkest secrets and deepest fears. Seven and Raffi go in search of Jurati…

Picard and his crew fight for their lives as they come under attack from a new incarnation of an old enemy. But to survive, Picard must first face the ghosts…

Mac is placed inside a fake prison cell with a top Codex operative, The Merchant, in order to gain his trust and get intel on their next move.

In an attempt to find the main players in the Codex and cut off their match-fixing funding, Desi goes undercover to infiltrate a soccer team and find the corrupt player…

Felicity tells Oliver he’s all work and no play, so he asks Detective McKenna on a date. A jewel thief named Dodger hits Starling City and targets someone very close…

A mysterious visitor arrives in Camelot seeking a very special prize: a dragon’s egg.

The crime lab searches for a serial killer inspired by Dante’s Inferno, and Brass’s daughter may be one of the killer’s next victims.

The CSIs are shocked when they discover that a victim in a car crash is someone they are familiar with.

D.B. Russell leads the CSI team on a hunt to find Morgan and Ellie Brass following their kidnapping by a ritualistic killer.

Wormholes randomly materialize around Eureka as the Department of Defense is set to shut the town.