A bookshop renowned for its rare works is mysteriously and completely filled with copies of a book entitled 1, which doesn't appear to have a publisher or author. The strange almanac describes what happens to the whole of humanity in the space of a minute. A police investigation begins and the bookshop staff are placed in solitary confinement by the Bureau for Paranormal Research (RDI Reality Defense Institute). As the investigation progresses, the situation becomes more complex and the book increasingly well known, raising numerous controversies (political, scientific, religious and artistic). Plagued by doubts, the protagonist has to face facts: reality only exists in the imagination of individuals.