Royal Marines recruits enter a 32-week training course, described here as the longest basic military training in the world, and the series follows them from their first day through to deployment on the front line in Afghanistan. Cameras track the physical tests, drill instruction, and mental strain that whittle down the intake, showing which recruits wash out and which make it through commando training to earn their green beret. The series then follows those who qualify into Afghanistan, cutting between the exercises that prepared them and the combat conditions they now face, so the training sequences and the deployment sequences comment directly on each other. Interviews with the recruits themselves carry much of the series, tracking individual attitudes toward fear, exhaustion, and duty as they shift over the 32 weeks. The structure is simple and chronological, week by week, letting the accumulation of physical demands make its own case for how the Marines produce soldiers capable of the front line.