Ambitious gang leader Thomas Shebly recognizes an opportunity to move up in the world thanks to a missing crate of guns. Thomas Shelby, a cunning, ambitious, and dangerous leader of the Shelby crime family in, Birmingham, England, during the after math of World War 1. You. You come from the Thornton British crime family. Your family is at the top of the hierarchy in all of England. You’re next in line to become the boss. But it was put off due to your father signing a contract with Thomas.