The competition starts at Just B in Edinburgh, owned by Karen MacDonald and Geoff Thomson, who hope that their slice of Zen will impress their guests. Nick and Stefan are forced to comply with the house rules in some alternative attire, while Tony and Natalie make some dirty discoveries in their dog-friendly room. At dinner, the hosts serve up their spiritual side, and the competition hots up as Stefan reveals his hospitality pedigree. In the morning, a mushroom misdemeanour leaves a bad taste in Tony's mouth