Littektiv Thursday Nonetot has long since retired. Once one of the key figures in the fiction of the Book World, she now focuses entirely on her duties as a wife and mother. In any case, that’s what it seems to her husband... And it seems wrong! In reality, Thursday is working just as hard as ever, because the world she lives in is once again on the brink of disaster. The National Stock of Stupidity has reached dangerous levels, and to cope with this problem, some are proposing to take the situation to the point of complete absurdity. The Time Guard has clearly played with time travel, and now awaits the inevitable End Times with horror. And only fifteen-year-old son Thursday is able to turn events in a favorable direction - not without the help of his mother, of course! At the same time, Thursday is forced to work in hellish conditions, since her counterpart from the Book World, Thursday-1–4, is determined to take revenge for the years spent aimlessly...