When whispers of abuse at Arrol's department store reach Mabel, a determined policewoman, she knows she must act. Enlisting the help of Johnnie, a cunning thief, and Beatrice, a savvy businesswoman, they embark on a perilous journey to uncover the truth. Set against the backdrop of 1920s Glasgow, where women's voices are often silenced, this thrilling tale weaves together crime, justice, and the fight for equality.

As the trio inches closer to exposing the scandal, they realize that in a world where women are rarely believed, their very lives may be at stake.