Hezekiah and Alec, two friends from Jamaica, finds themselves thrust into the criminal underbelly of London's East End. Here they meet Mary Carr, Queen of an all-female criminal gang known as the Forty Elephants, and run afoul of Sugar Goodson, criminal kingpin and notorious boxer.

• Malachi Kirby
• Erin Doherty
• James Nelson-Joyce
• Jason Tobin
• Darci Shaw
• Francis Lovehall
• Hannah Walters
• Morgan Hilaire