TULIP (The Undercover Line of International Police) is a New York-based international police force in direct opposition to the criminal organization TIGER (The International Group of Espionage and Revolt). Shunsuke Dan is agent Spycatcher J3 of the TULIP Japan Branch. Spycatcher J3 stands against TIGER's machinations.
After losing all his money, Kizuka Keita, a seller on the black market, is trying to commit suicide. But he is saved by Morigen, a broker on the azuki beans market. A young man tries to regain his wealth in the bean market.
The lives of several Japanese families are shattered as the USA and the USSR move toward war, Japan finds itself caught in the middle, and Tokyo is ultimately evacuated as the two superpowers invoke the 'nuclear option'.