Takano Kazuhiko, an agent for a secret organization, has a small bomb embedded in his heart and is pushed to breaking point. His partner is Taoka Ryoichi. They begin a dangerous game of wits with agents from other countries over top-secret information about next-generation energy while facing the risk of death round the clock. Amid an extreme situation where they do not know who are their allies and foes, the bombs in their hearts approach the limit.
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