Watch Letters (2021) : Full Movie Online Free LETTERS, a dramatic historical fiction written by Mrs. Evelyn Merritt in 2010, tells the story of U.S. soldiers and their loved ones through their correspondence beginning with the Civil War and ending with the War in Iraq. Sahuarita High School students adapted the Readers’ Theatre play into a movie, reasoning the student actors would be kept safe from Covid-19 by filming them individually, and afterward the footage could be reassembled into a screenplay following the original dialogue.