Retired customs officer Keith has been living and working in New Zealand for 25 years. Now, he wants to return to the UK for part of the year and go touring the waterways of the UK with his wife Pam. He's commissioning a brand-spanking-new semi-cruiser narrowboat complete with all the latest gadgets. However, Keith has never owned a boat before, let alone skippered or crewed a narrowboat, so he needs to learn very quickly