When Rosie's parents were involved in a train accident her mother was killed & her father left crippled unable to earn a living & relying on Rosie to keep the wolf from the door. With her mother gone & her sweetheart Adam away in the army Rosie is lonely. She eagerly awaits the letters from him but they never come. As she grows more disillusioned Adam's best friend Doug goes out of his way to be charming & attentive. Alone & confused Rosie blossoms under his evil influence. Soon she is carrying Doug's baby & her father has thrown her out of the house. Realising she has no choice she agrees to marry Doug. As if she isn't in enough trouble Rosie's whole world falls apart when a warm & wonderful letter arrives from Adam...telling her he's on his way home.