In 1937, courageous Martha Gellhorn travels to Madrid to report on the atrocities of the Spanish Civil War. She also finds herself unexpectedly - and uncontrollably - falling in love with Ernest Hemingway. In the shadow of the impending Second World War, and set against the tumultuous backdrops of Madrid, Finland, China, and especially Cuba, their relationship and professional careers ignite. Recounts Martha Gellhorn's stormy marriage to Ernest Hemingway.