La serie racconta la vita di Sarah Connor e di suo figlio John a partire dal 1999, quando la donna, protagonista femminile dei primi due episodi del ciclo di Terminator, si ritrova ad avere su di sé tutta la responsabilità dell'educazione del figlio adolescente, consapevole del fatto che in futuro avrà il ruolo di leader della resistenza umana.

It is the year 1995. The Machine Empire of Baranoia, led by Emperor Bacchus Wrath, has invaded Earth with the intention of wiping out all human life and bringing about machine rule. Chief Counselor Miura of the UAOH (United Airforce Overtech Hardware), in a desperate attempt to quell this invasion, has revived super energies born of the lost civilization of Pangaea. Enlisting an elite squad of the finest officers the UAOH has to offer, Miura has harnessed Tetrahedron Power, granting the team the power to transform into the Ohrangers… and save humanity from its darkest crisis yet!

Izu suddenly appears before Aruto in Satellite ZEA. However, there seems to be something off abouther appearance and speech! Izu claims she is suffering from a systems failure and has lost all of her data on Zero-One! In order to update Izu's data on Zero-One, Aruto decides to go back and revisit all of their previous battles.