Walter Sparrow, a dog-catcher, receives a mysterious call that leads to a series of unsettling events after his wife finds a numerology-infused murder mystery novel with a recurring theme of the number 23. As he becomes obsessed with the book, he starts to notice eerie coincidences in his own life, and his search for the author's identity puts him and his family in grave danger.

The Number 23
Walter Sparrow's life takes a surreal turn when he becomes entangled with a mysterious novel, where the protagonist's eerie experiences eerily mirror his own.