Having lost everything after a failed marriage, Beverley Sanders now lodges in the basement flat of a house owned by her best friend Sophie and husband, Tim. With her former glittering marketing career in the gutter, she begins to do investigative work for other wronged women (gathering dirt on philanderers, bosses and exes). Beverley takes on the case of Sophie’s friend, Angela who is seeking to uncover grounds for divorce from her controlling husband, Jerry, the shadow Science Minister. She takes the case but soon discovers that she isn’t the only one who doing the investigating, and Beverley has a secret history she doesn’t want coming out.