Merchant marine cadets receive prizes on their Annual prize giving day on HMS Worcester.
Full title reads: "Greenhithe. 'Every Inch Sailors'! Sir Percy MacKinnon presents prizes to H.M.S. Worcester cadets - 'Nursery' of the Mercantile Marine."
Shot of the training ship HMS Worcester. (It is an old three masted sailing ship). Cadets are standing in the rigging. The cadets climb down the rigging.
Various shots of prize giving ceremony on lower decks. Pan across Merchant marine cadets. Cadets receive prizes from various people including Sir Percy MacKinnon.