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
• Stephen Graham
• Caoilfhionn Dunne
• Morgan Hilaire
• Jemma Carlton
• James Nelson-Joyce
• Hannah Walters