When two souls find one another, nothing can tear them apart. Widower Takumi lives a quiet life with his six-year-old son Yuji after the loss of wife and mother Mio. Yuji unfailingly remembers her promise to him: “I’ll be with you again in a year’s time, when the rains come.” On the first anniversary of her passing, Takumi and Yuji are taking a walk in the woods when they come across a woman sheltering from a monsoon downpour.

As sadomasochistic yakuza enforcer Kakihara searches for his missing boss he comes across Ichi, a repressed and psychotic killer who may be able to inflict levels of pain that Kakihara has only dreamed of.

Koroki is a 35-year old man who admires Japanese singer-songwriter Tamio Okuda and aspires to live like him. He works as an editor at the lifestyle magazine “Mare,” where he meets Akari Amami, a mischievous fashion press writer, and falls in love with her at first sight.

3 years after the ultimate life-or-death game with Teiai Group, Kaiji was entrapped by Teiai and again back in the underground, forced to do hard labour. One day, Kaiji wins a bet to get out of the underground with 1 million yen, and promises the other workers that he will save them. But to do so, he only has 14 days and needs 200 million yen! Kaiji meets his former rival Tonegawa and learns that there is a chance to turn the tables in the game. It was a monster casino machine that will make 1 billion yen if you win…