As attacks from the monstrous Unevolved persist, the government begins to grow suspicious of Professor Saotome's plans...and the arrival of a certain stranger only deepens the mystery. The truth behind the Unevolved, the history of Getter Robo, the fate of the universe itself-the secrets leave a trail that crosses between realities, and Jin is determined to learn everything. The fate of mankind rests on the shoulders of one machine: Getter Robo!