Tenchi Masaki may be a 17-year-old young man in rural Japan, but little does he know how bad his day will be getting. When a space pirate chased by a pair of Galaxy Police officers crash-lands at his grandfather's temple, Tenchi is sucked into a new adventure that will literally blast him off into outer space and beyond.
Tenchi decides to move to Tokyo in order to lead a normal life in the big city. While in Tokyo Tenchi meets a girl named Sakuya. They soon fall in love but as it turns out a dark sinister force has created Sakuya to get at Tenchi and rule the earth. Now Tenchi must balance love, friends, and life while defending the earth one last time.