讲述主角・井之头五郎(松重丰),将会在北海道有两天一夜的旅行。原本前往筑地工作的他,受到客户的委托,希望他能协助将东西送给住在北海道的亲人,如此展开了本次的故事。
Lucid Dreaming forces the dreamer's dreamworld to merge with his waking one. But at what cost to the dreamer's grasp on reality? Dreams are doorways, but what are they really for? And, if you feel you must know, beware the TRICKSTER.
The story revolves around a group of people who gather in a stately mansion, the scene of a massacre from the past, to perform the ritual of the 'Red Book'. With the help of spirits, they try to reconnect with their deceased loved ones.