Tom, Eloushka, Lucas, Maddie and Madz travel to a massive sandwich factory in London where they make 700,000 sandwiches a week. Adelie Foods has very high hygiene standards and productivity rates and their workers are disciplined and incredibly fast. Will our five being able to demonstrate the focus needed to succeed here? When the boss starts them off making a cheese and pickle ploughman's sandwich, it becomes clear that this work is considerably more difficult than they had anticipated. As they all compete for a promotion, who has the skill to keep up with the production lines and make sandwiches of the quality that their boss expects?