When assassins kill the patriarch of London's reigning crime family, rivals in the international underworld go to war over control of the city.

A sudden tragedy pulls Becky into Chloe's world in a way she never imagined.

After a cyberattack exposes every undercover agent in Britain, a certain tech-challenged former agent emerges from retirement to catch the hacker.

After his daughter is killed by terrorists, a sullen restaurateur seeks the identities of those responsible, taking vengeance into his own hands.