Members of the Royal Corinthian Yacht Club in Plymouth take out the Swallow launch for a trip on the River Tamar and over to Cawsand. The trip takes in the Royal Navy base at Devonport, still the largest in Western Europe. Ships in this film include the G-class destroyers HMS Griffin, Gipsy and Grafton launched in 1934, HMS Courageous and transatlantic cruise liner the Twin Screw Steamer Veendam, which stopped in Plymouth that summer on its ways from New York to Rotterdam.