The British Prime Minister Margaret Thatcher (played by Meryl Streep who won the Oscar, Golden Globe, and BAFTA for Best Actress) was called "The Iron Lady" for her uncompromising politics. This film shows her human side as an older woman with dementia, diagnosed in 2005. Her story is told through flashbacks, highlighting her 11 year premiership (1979-90) as well as major historical events. CAPTIONS