In the near future, a renewable energy source called ‘Aphorium’ becomes the world’s leading power source. This energy revolutionizes the fields of biomedical, material, pharmaceutical, and energy engineering and becomes a resource more valuable than gold. However, cartels begin to illegally export ‘Aphorium’ and control its market, using their influence to manipulate governments around the world. Subsequently, the global company ‘Skycaston’ suggests the creation of the I.T.S: Instant Trial System – an android programmed to incarcerate cartel members without needing a trial. The government accepts the proposal and adopts the system. ‘Seo Woojin’, an investigator placed on disciplinary probation, infiltrates a cartel on an independent investigation but breaks his cover to save a fellow detective when he’s in trouble. In turn, Woojin must face the consequences of a failed sting operation and the office makes him an offer. If he can successfully become an educational navigator for the new ‘Magnum’ series of I.T.S military androids, he will be reinstated in his former position. Woojin accepts this offer and continues his cartel investigation with his android partner, Magnum. However, an unexpected conflict appears with the standard I.T.S androids as soon as they start their investigation… A story about an android with the power to prosecute suspects on the spot and a human detective