Several of the 12 recruits question their place on the course as the gruelling tasks continue - including being pitted against each other in hand-to-hand combat. Saira Khan soldiers on despite an injury, and the recruits' decision-making skills are tested when they're forced to make a call on who to shoot and who to save in a hostage rescue task. Jake Quickenden is brought in for examination as his suitability is called into question.