A vengeful Taiwanese maiko breaks out of prison to kill every Japanese cop who raped her, only to realize it was the person closest to her who first put her through hell.

Ultraseven X is the 23rd entry in the Tsuburaya Productions' long-running Ultra Series. It is a revival of the 1967 classic Ultra Seven, and is the first in Tsuburaya Productions' Ultra hero series to be exclusively for an adult audience and in wide screen high-definition format. The show first aired on October 5, 2007 at 2.15am on CBC and 2.25am on TBS.