Naval cadets are instructed aboard the training ship 'Worcester' on the River Thames.
Various shots of the sea; waves crashing on the shore.
We then see a group of young naval cadets in a rowing boat making their way out to the training sailing ship 'Worcester' on the River Thames.
Various shots of the boys in training. On the deck we see them tying knots, being instructed by their trainers, scrubbing the decks and using flags in semaphore training.