Silkwood (1983)

Silkwood tells the true story of Karen Silkwood, a worker in a nuclear power plant who becomes an advocate for nuclear safety and exposes the dangerous practices of her employers. As she digs deeper into the corruption, she faces threats and intimidation, but remains determined to bring justice to the workers and protect the public from the hazards of radiation. With the help of her boyfriend and fellow worker, she collects evidence and takes on the powerful forces that seek to silence her.