The Galaxy Police headquarters vanishes! One word was left..."Kain" The merciless criminal Kain has escaped from sub-space where he had been imprisoned. Kain, who was deprived of his freedom by the Jurai royal family and the Galaxy Police, demolishes the GP headquarters with ease and attacks the Jurai King...His next target is Earth! Tenchi is dissolving...back to 1970 Around the same time, on Earth, Tenchi's house has suddenly disappeared. What's even worse is that Tenchi's body is disappearing too! Something must have happened to Achika, Tenchi's mother, in the past! With Washu's help, the gang must time-travel back to the year 1970 to protect Achika, but will even their combined efforts be enough to withstand the frightening, destructive forces of the deadly Kain?
