Dot (Caroline Downer) and Dick (Richard Walton) are enjoying learning how to sail during their holiday with Mrs. Barrable (Rosemary Leach) when they encounter a group of troublesome reprobates abusing the environment. Saving a coot's nest by unmooring the riffraff's boat is only the beginning of their adventures! Colin Baker, Julian Fellowes also star. 90 min. Soundtrack: English.