Gien is freed by a mystery benefactor, forcing the Timeranger to work with Dolnero to restrain him before he begins his new plans for chaos.

Captain Ryuya has come to the past to prevent a coming disaster. He informs the Timerangers that he has solely manipulated changes in the 20th century for the purpose of preparing them for this eventuality.

After being restored from repairs, Tac begins to feel worthless to the team as he doubts his own purpose, even as Sion tries to prove he still does have worth.

As the Great Annihilation approaches, Tatsuya tries to wonder what he is going to do, particularly in saving his teammates with their futures ahead of them; leading to a difficult choice.

As Yuri and the TDB agents return to a surprising turn of events in the 31st century, Tatsuya continues to fight for the safety of his own time, as his long-time rival finally approaches a destiny he cannot escape from.

Naoto is gone. Tatsuya fights a losing battle alone, but not for long as Yuri and the others return to save the 20th century. Have they doomed the 30th century in the process? The Timerangers must find a way to save both centuries to ensure their tomorrow.