In the immense city of Tokyo, the darkness of the afterlife lures some of its inhabitants desperately trying to escape the sadness and isolation of the modern world.

Horror screenwriter, Umeki, has writer's block. He goes with his pregnant wife, Akiko, to a check-up and is struck with an incredible idea - a horror story about a woman who gives birth to a reptile! Despite his wife's disgust, Umeki goes ahead with the screenplay, which the critics love. But the horrible prophecy fulfills itself, as his wife gives birth to a freak of nature. His baby is born half human, half lizard! The reptilian baby slithers on the floor, leaving a wet trail of slime behind [it]. To his horror, his wife, Akiko, holds it lovingly in her arms. His movie has become a mirror image of his own life as Umeki slips slowly into madness.

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.

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.