Seven Days Leave (1930)

In London, during WWI, a lonely woman who wants to feel a part of the war effort pretends to her friends to have a son fighting in the war. She is shocked when he shows up on her doorstep, and they make an agreement that he will pretend to be her son. "Seven Days Leave" is a screen adaption of James M. Barrie's play, "The Old Lady Shows Her Medals."