Two very different restless youths join a swimming competition for love and friendship which is, in fact, a rite of passage to growing up.

Join Katsuma, Poppet, Mr. Snoodle, and the other Moshi Monters in an action-packed, song-filled race against time! Together they must stop evil Dr. Strangeglove and his incompetent Glump sidekick Fishlips…