One of the elite cyberninja of the enemy goes rogue and sets out to assist the royal family after their headstrong princess is captured and destined to become the final sacrifice needed to summon the cyborg legions digital overlord from another dimension.

After suffering many losses and battling towards the enemy castle it is revealed that the cyberninja Shiranui is in fact the lost brother, transformed into the robot and now determined to regain his human body.

The survivours must storm the technological castle and rescue the princess before the resistance army fires a super cannon to prevent the summoning of the electronic evil.

Beverly Hills Video Group produced an English dubbed version of the film in 1994 directed by Carl Macek and distributed by Streamline Pictures for a 1995 release in North America.

Later it was released in North America Cyber Ninja for VHS on July 25, 1995, with an English dub,[7] and on region 2 DVD in 2003 (Japan, Europe, Middle East, Greenland, and South Africa).