Gira is determined to fight and settle the score with the "King of Tyranny" Rcules once again. Meanwhile, the other kings are in a pinch and in an uproar. What will happen to the cornered Ohsama Sentai as the time limit of destruction approaches!?

Although he finally defeats Uchu King Dagded and saves his life, Rcules is put on trial as a guilty man. What did he tell the accused about "the history of human despair"? What was entrusted to him by his father, Causus, the previous king?