A customer brings in an emotive family letter sent from the Western Front, where their ancestor writes of his fear for his life, on the eve of battle. Carl Constantine had joined up with his friends in the newly created PALS regiments, but would they return? War and Son acquire some special Australian medals from the First World War. Steve uncovers the desperate stories behind these Gallipoli medals and finds he has a very personal connection to one of the men. And animal lover Marie turns detective as she investigates the extraordinary story of a bravery medal awarded for rescuing a dog.