Riku, the heir to a corporate conglomerate, is determined to go through life never owing anything to anyone on principle. However, one day he nearly drowns in a river and is saved by a homeless girl named Nino. To repay his debt, he begins living together with her on the banks of the river as her lover.
In the immense city of Tokyo, the darkness of the afterlife lurks some of its inhabitants who are desperately trying to escape the sadness and isolation of the modern world.
Film director Mario Baba meets a mysterious gentleman, and realizes he is a important man from his boyhood. The two chase each other around, causing a lot of commotion.
