When Horatio, a Blue Horned fish, encounters a strange underwater happening, he begins to unlock the mystery with the help of his cranky old friend, Sidestepper the crab. Together they explore under the sea looking for clues and soon find mishaps along the way As their curiosity leads them along, it is unclear who, what or why something like this is occurring in their underwater home. A sea tornado is causing quite a stir and all the little fishies are being sucked into the tornado's path. Now it is up to Horatio and Sidestepper to solve the mystery of the sea tornado and bring serenity back...