Set in England's West Midlands in 1956, the show follows determined Gina Dawson, the first woman police constable to serve in her hometown, as she struggles to gain acceptance in the male-dominated world of policing. Sometimes dismayed by the patronizing sexism, bullying, corruption and racial prejudice that she encounters every day, Gina remains undaunted and sets out to prove her worth, make a difference and earn some respect.

The elite murder squad returns. As the detectives solve each case (skeletal remains dug up in the garden, the brutal murder of a pub landlord, a teenage au pair found dead, the double-shooting of a father and son), there's one mystery Detective Inspector David Bradford can't unravel. Where is his wife Sarah? As the other detectives investigate why David is lying to them about the night Sarah disappeared, they begin to think the unthinkable: did the...

The seventh and final season of the show, which is as thrilling and dangerous as the show has ever been, opens in the aftermath of a shooting that took place in the prior season's finale episode. The team must use every tool at their disposal to find the elusive Alice Sands they've been hunting for, and bring her to justice before she succeeds in destroying Jane's life.