Tetsuro Suzuki is a researcher at a medical center run by an IT company. He develops AI technology that is able to diagnose patients much more accurately and faster than human doctors. As a result, Shunpei Gamo, a representative of the IT company, insists on using the AI technology more. Naoko Arizono, who is president of the doctor's association, opposes the idea. Things run amiss when a journalist discovers that a patient diagnosed by AI has died and starts investigating.