In London, Shannon investigates a filtration system to give her a constant supply of running water for showers. In North Yorkshire, Flora, Faraz and their family head back to Skipton as their narrowboat holiday comes to an end. On the Trent and Mersey canal, Maxine and Steve set up their roving trading post at the Caldon Canal Festival, and in Worcestershire, boating instructor Emily meets solo cruiser Anita, who is afraid to take her narrowboat out onto a river