Its been three years since the goddess Belldandy moved in with technical college student Keiichi as fulfillment of his fateful wish back in the OAV, along with her sisters Urd and Skuld. Things seem to be going smoothly for the dreamy couple; their twin rider motorcycle is looking great and a new batch of freshmen promises a badly needed infusion of new blood into the Motor Club.
But there's a disturbance in Heaven. A dangerous dissident who had been imprisoned in a special seal on the Moon has been set loose. In the same time back on Earth, Belldandy's mentor, Celestin, reappears after disappearing many years ago without explaining anything to his star student. Not only is he proving to be a rival to Belldandy's affections he also completely wipes Belldandy's memories of Keiichi clean. Now, Keiichi has to fight to win back his love while the goddesses on both Earth and Heaven have to work overtime to thwart a sudden attack on Heaven itself.