At his underwater school of "A B Sea", a young fish is having a bit of a tantrum. His no-nonsense teacher drags him into class but he's still being a pain so she locks him in the store cupboard to learn his lessons. Immediately spotting a window, out he swims for an exploration. It's when he spots a worm that things get a bit precarious. The worm is a lure - next thing he is on the end of a fisher...
