Actor Toby Jones sits down with his mother, Jennifer, and two aunts, Juliet and Caroline, to learn what they know about the wartime experiences of his grandparents, Reggie and Dorki. They married in 1940 at age 21, and Reggie was almost immediately sent to the Far East to fight the Japanese. When he returned home, he was not the same patient man he was before — which they now recognize as PTSD.