Adam arrived at the spa just after midday one Friday in January. He'd been there many times before. The spa was on the east coast of England and quite well known. It featured saunas, steam rooms, hot tubs, a cold plunge pool and some hot baths. Its unique feature was that it was naturist. No clothes or robes were allowed. Users could wrap towels around them if they wished but obviously would take these off in most of the...

Adam had spent a while in the sauna just enjoying the warmth and relaxation (and the view of the Japanese woman). But now he thought it was time for another trip to the restrooms. He climbed the stairs and briefly stopped off at the cafeteria to grab a glass of cold water after his sauna. Once he'd finished his drink, he carried on up the next flight and into the restrooms. Most of the rooms had their doors open and were...