Jamie's brother TJ is going to fight in Vietnam in the war, so Jamie tells him to write her letters. Instead of writing her letters, he sends her rolls of film that she has to learn to develop. At first, Jamie doesn't know why TJ is sending her pictures of wounded soldiers. Then she finds out why, but you'll have to read the book to find out. One day Jamie's family gets a letter saying TJ is MIA (missing in action). What happened to TJ? You'll have to read to find out.