A romantic relationship in Istanbul ends badly. Lamb hits the panic button when one of his Slow Horses fails to show up for work.
George is left distraught after a freak accident hurts someone close to him, but soon discovers the perils of turning back time at will.
Taverner and the Slow Horses attempt different approaches to locate the kidnappers and Hassan. Ho makes a shocking discovery about Sid.
The Slow Horses must disappear to avoid capture by MI5. Lamb and River head to The Park to outwit Taverner.
Taverner sends the Dogs to hunt down Lamb and the Slow Horses. River holds the secret to saving the gang.
River and Sid join forces. A misfired gun has dire consequences.
