A Japanese businessman, captured by modern-day pirates, is written off and left for dead by his company. Tired of the corporate life, he opts to stick with the mercenaries that kidnapped him, becoming part of their gang.
After discovering time travel, a university student and his colleagues must use their knowledge of it to stop an evil organization and their diabolical plans.
In Tokyo, an impenetrable field known as "Hell's Gate" appeared ten years ago. At the same time, psychics who wield paranormal powers at the cost of their conscience also emerged.