The story centers on a group of young people who travel back in time when they are in a movie theater just before closing time. They witness deaths during the closing days of Japan’s feudal times and on the battlefront in China before they are sent to Hiroshima just before the Aug. 6, 1945, atomic bombing of the city.

Tetsumu, an introverted youth, realizes he has a natural ability of communicating with elephants. This prompts him to leave for Chiang Mai in Thailand to become Japan's first elephant trainer. Having found his place in the world, Tetsumu develops into a strong, confident young man. He returns to Japan with the dream of building a green "paradise" for his ivory-tusked friends. Meanwhile, he starts a career as an elephant trainer for touring shows. He meets Emi, a woman seven years his senior and falls in love.

In 1945, Japan surrendered to the United States and the Second World War was over. Right? Wrong. For eighty percent of the Japanese community in Brazil, Japan had won the war and defeat was nothing more than American propaganda. The few immigrants that accepted the truth were persecuted. Some were hunted down and assassinated - by their own countrymen - causing the start of a new, private war. Dirty Hearts is a thriller and love story told by the wife of one of the fanatics dedicated to preach Japanese victory. Little by little, she watches her husband, a hard-working immigrant, become an assassin and their love story fade away.

In 1969, Kenji, an elementary school kid and his friends built a secret base during their summer holidays. They fantasized that they had to fight villains who were out to conquer the world and wrote them in the Book of Prophecies. Years later in 1997, Kenji becomes a convenience store manager and leads a regular life after giving up his dreams to become a rock star. His boring life is suddenly turned upside down when his old classmate dies mysteriously and an entire family in the neighbourhood disappears. At the same time, a religious cult and its mysterious leader, Friend emerges and a strange chain of events duplicating exactly the events described in the Book of Prophecies follow. Is this the beginning of the end of the world? Who is Friend?