Rainbowie finds himself in a game between underwater districts. 2 members from each of the 13 districts must fight to the death before the capital sea city.

Today is Groundhog Day. So was yesterday and the day before for Rainbowie. Rainbowie has been stuck in the same day for longer then he can remember. He must find a way to make Groundhog Day finally end, and day after arrive.

An Alien race has developed a device capable of the destruction of planets, which looks identical to Rainbowie the Rainbow Fish. Rainbowie is now being charged by an intergalactic senate of highly intelligent space cats for the destruction of their home plant. Rainbowie must find the true creator of this planet destroying device and free his name.