After WWI and personal tragedy, Kate Galloway moves to London. One night turns bloody, while Violet Davies struggles to establish herself as a policewoman.
Kate and Billie handle a body disposal while the Saluccis hunt their missing heir. Violet goes undercover in police cells, facing tests of her abilities and ethics.
After WWI, a housewife opens a Soho nightclub to support her daughters, facing threats from gangsters and police while fighting to keep her business alive.
Kate gets involved with the Saluccis while Billie and Evie find comfort elsewhere. Turner pressures Violet, who stumbles upon something surprising at the club's reopening.