Based on true events, Radium Girls follows teen sisters, Bessie (Joey King) and Jo Cavallo (Abby Quinn), who dream of Hollywood and Egyptian pyramids as they paint luminous watch dials at the American Radium factory in New Jersey. Set in the late 20s, the factory workers are all women who are supporting their families and consider themselves lucky to be employed.When Jo loses a tooth, Bessie’s world is turned upside down as a mystery slowly unravels. She discovers a corporate cover-up and, in a radical coming of age story, Bessie and the Radium Girls decide to take on American Radium. Running out of time as Jo's health declines, the Radium Girls must decide whether they have the resources to prevail against American Radium or whether their interests are best served by accepting a settlement out of court.The national sensation following the notorious case of the Radium Girls in 1928 ultimately led to significant and lasting impact in the area of workplace health and safety and the study of radioactivity.