World War Two casts a dark shadow over the Hammersmith Palais de Danse, but the show must go on... April 1940. Violet Millington, is ready to rediscover the joy of living. As she waltzes into the palais, to begin her new life of boosting morale in war swept London, she must leave her family's sorrow behind her. But soon Violet discovers she's not the only one with something they're running from. Violet quickly befriends gutsy American Nancy, the diamond of the dance hall, flame-haired Renee with her enviable foxtrot, and Temperance, who must overcome her bullies to achieve her dreams. In the face of the Blitz, news of a Palais dance competition keeps the foursome's spirits up. But as the contest draws near, a devastating chain of events is set in motion with life-changing consequences.As the Good Time Girls face the music, can the ties of friendship, love and loyalty ensure they survive?