Detectives Shintarou Sakurai (Sho Aikawa) and Koichi Hikage (Susumu Terajima) are partners. They are also corrupt and often blackmail criminal groups and seize their money. One day, the Chief of Police becomes aware that 2.5 million yen in seized money is missing. He orders Shintarou and Koichi to bring the money in by tomorrow morning. Shintarou and Koichi are in big trouble. They then read an article about a pension fund embezzlement case involving 6 billion yen. The prime suspect of the pension fund embezzlement case spent most of that money, but he has 2.5 billion yen left.

As the Japanese surrender at the end of WWII, Gen. Fellers is tasked with deciding if Emperor Hirohito will be hanged as a war criminal. Influencing his ruling is his quest to find Aya, an exchange student he met years earlier in the U.S.

While celebrating with her friends in her new cheaply rented apartment on the thirteenth floor of a building, the young Sayaka unexpectedly jumps off the balcony committing suicide. Her mother goes insane and her older sister, Mariko, decides to investigate the mysterious death of her sister.