When his parents lose their jobs, they decide to sell up and spend a year circumnavigating the globe on their boat - the "Peggy Sue". Unbeknown to his parents, though, teenage son "Michael" has smuggled their dog "Stella" aboard and is feeding her from their supply of digestive biscuits! Of course this isn't a secret he can keep for long, and actually it shows us that "Michael" isn't actually the most grown up of boys as he seems to view parental instructions more like optional guidelines. That rather comes home to roost when a storm hits the boat and both he and his canine companion are washed...