S1, E1: WPC 56 Gina Dawson is the first woman police constable to serve in her West Midlands hometown in 1956. Determined to prove her mettle, WPC Dawson's resolve is tested on her first day when she encounters thieves, runaways, neglected children and a Brinford branding. Meanwhile, Brinford Police Station is rocked by a shocking discovery in an abandoned mine and DI Burns and SGT Fenton investigate a serious attack on a young woman.