Big news! Paul's a mentor. He's been buddied up with a young police officer called Lee, poor lad, and is preparing to impart some wisdom. Meanwhile, Rachel is helping Sam prep for his potentially incredibly dangerous Duke of Edinburgh expedition. And Robin is trying to persuade Cherry to join him for a live-action role-play weekend, where everyone dresses up as fantasy characters to drink mead and have sword fights in the woods, none of which appeals to a heavily pregnant Cherry. But the biggest challenge of all is faced by Sue, who can't open a jar of gherkins.