Agent code-named Zero is the only remaining and most capable agent of the anti-terrorist organization. He was killed by a detonated bomb during a mission. The organization rescued him and transferred Zero's memory ability to "me". In the following mission, I learned about a series of conspiracies of the terrorist organization. Store it in the chip. During this process, I discovered that there was a spy in the organization, but the organization did not believe me. It even thought I was a spy and came to hunt me down. Only one doctor believed me. I tried to give the chip to the senior management, but lost my memory during a chase...