: Ada is in a forbidden relationship with Freddie, a Marxist labor leader and former war comrade of Tommy’s.

This theft brings the relentless Inspector Chester Campbell (Sam Neill) to the city, sent by War Minister Winston Churchill to recover the weapons. While his aunt Polly (Helen McCrory) urges him to return the guns, Tommy sees them as a strategic bargaining chip to elevate the family’s status.

In 1919 Birmingham, Thomas Shelby (Cillian Murphy) leads the Peaky Blinders, a criminal gang known for sewing razor blades into their peaked caps. The episode begins with a major catalyst: the gang accidentally "appropriates" a crate of Lewis machine guns stolen from a local arms factory.

: The eldest brother and nominal head of the gang, who suffers a brutal interrogation at the hands of Inspector Campbell.