Emily and Bucky are getting married today. It should be the happiest day of their lives, but they can't be too happy. The newly married couple will be separated very soon, because Bucky is leaving for the war the next day. Letters keep their marriage alive for the following years. Emily's own career in science is taking off quickly since she joined Howard Stark's lab. Despite her busy schedule, she and Bucky are constantly planning their future for when he's going to come home. But tragedy is about to strike, and both their lives will be changed forever.