Sink Or Swim

The recruits are halfway through their 10-week course at HMS Raleigh in Torpoint, Cornwall, and the training is being intensified. Former cheese-shop assistant Cara Gillies struggles to lead her team across Dartmoor during a gruelling exercise, and is left wondering if a life in the Royal Navy is for her. Meanwhile, Callum Kerr finds it hard to grasp what it takes to be a sailor and soon finds himself in front of the officer in charge of training to defend his place.