(During the film, voiceovers of the men's thoughts provide a commentary.) Extreme close-up of gun barrel draws back to reveal Chieftain tank in camouflage netting. "While we're on an exercise, we look for good cover, move into hides out in the woods... you're living and working men... you depend on each other." Men, asleep in hides, get up. "Teaches you to think for yourselves; you do different jobs, you're never bored." Breakfast (egg on toast) is served. Washing and shaving. "If in the morning we get the order to move we can disregard food, stow away our sleeping bags, and while all this is going on listening out, marking down on the map where we've got to move to." Action. Tank starts up, windscreen wipers on, and moves off through the misty woodland. Turret shot. "You are someone when you're in command of a tank... when you're sat on top of 52 tons and if anyone gets in your way, well it's hard luck to them." Long shot of several Chieftains on range. Voice and caption urge viewer to find out about "The Professionals. Call in at any Army Careers Information Office". Final comment: "Over in Germany, I earn just over forty pounds a week".