What the customer left behind in the cab is a passport that opens the door to nightmares and horror. After a collision, Nagashi Kawatome is rushed to the emergency room, where he loses his memory and does not know who he is. When Kawatome meets Katsuie Takaishi, who works as a head nurse at the hospital where she is hospitalized, she tries to regain her memory, but ......

A young woman plans to kill herself on her birthday, but a chance meeting with a depressed salaryman in Shinjuku Station changes her path.