Yui, a housewife who commute by train to go to the part. One day, she gives up her seat to an old man with bad legs, and this is the beginning of her nightmare... The old man becomes obsessed with her deceased wife on her Yui. A mysterious gift arrives at Yui's house, and a sign approaches her on her commuter train... The old man's obscene fingertips and tongue tips mercilessly dive into her body!
