Sarah Moore is on Scotland's east coast on the lookout for quality discards at Wallyford Recycling Centre. Her aim is to bag three things that can be rejuvenated and sold on for a profit. Upcycling sisters Katie Stone and Sophie Lawrence set out to transform an old washstand, a broken-up sofa with hidden potential needs attention from upholsterer Ollie Clueit, and Sarah attempts to refashion a collection of vintage clothing