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.

“Night Train to the Stars” is a biography of the fascinating life of Kenji Miyazawa, one of Japan's most beloved fantasy novelists. Miyazawa is an idealist pledging with his friend Kanai to work for the improved life of farmers. Troubled by his family’s interest in money making and social status, he leaves home after graduating high school to join a Buddhist sect in Tokyo. After falling out with a friend, and receiving news about his sister re-emerging pneumonia, he decides to return home where starts his own experimental school, teaching new farming methods to young local farmers while also instructing them in music and arts. It was only after his death, through the help of his brother Seiroku, that his writings became widely read.

After a chain of deaths at a junior high school, new transfer student Koichi Sakakibara turns to a mysterious girl who holds the key to the dark mystery.

Nana and Shota are a newlywed couple and Nana is 15 years older than Shota. Nana works as a designer and Shota works as a gym trainer. They both enjoy mystery. The newlywed couple then move to an apartment and they attend a resident’s meeting there. Nana and Shota become involved in murder cases that take place at the apartment. Residents get murdered one by one. Some residents have a motive, but those suspects have an alibi. Because of this, an arrest has yet to be made.