Yui, a housewife commuting by train to work part-time. One day, she gives her seat to an elderly man with a bad leg, but this turns out to be the beginning of a nightmare... The old man begins to haunt Yui, as if she were his deceased wife. Mysterious gifts arrive at Yui's home, and a sense of foreboding looms behind her on her commute... Terrified, Yui is mercilessly invaded by the old man's lecherous fingers and tongue!
