The plot begins with four mathematicians who don't know each other being invited to a mysterious party. In this mysterious room, there are some brilliant and clever mathematicians, logicians and inventors. Get together to solve the so-called mystery Only then did I find myself in a trap, and the four walls of the chamber of secrets would shrink to the middle constantly because of the function of the surrounding hydraulic devices. The atmosphere in the room suddenly became tense. Some people are impatient, some people are angry, and some people are calm on the surface and uneasy inside. As time goes on, four well-dressed people who seem to have no connection begin to have complex connections. These famous scientists, logicians and inventors have repented: Pascal, who just got a patent, hit and run, Kallova, who is famous for blowing up lies, and Olivia, who rekindled her old love, confessed her life. ...