Ricky and Stephen challenge Karl to describe his ideal version of the world as conjured in a magical isolation tank, but Karl is suspicious of a "perfect" life. Karl describes his theory of the "Problem Hole." Karl's Auntie Nora prepares a curry that doesn't age well. Karl explains his snack eating rituals to Ricky and Stephen in the park. Young Karl get his biggest wish, but get the desired results. Finally, Karl profiles a wealthy man he met on holiday, leading Ricky and Stephen to coax a surprising reaction out of Karl.