Thriller starring Jim Carrey Walter Sparrow (Carrey) is a middle-aged dogcatcher whose wife Agatha (Madsen) has bestowed him with an obscure mystery novel detailing the investigation launched by a tough-talking gumshoe named Fingerling (also Carrey) whose every move seems to be overshadowed by the number 23 After noting a series of alarming parallels shared between the fictional detective & himself Walter is quickly drawn in to the story His mind fast descending into a dark & violent whirlwind of madness Walter enlists the aid of Agatha & the pair&s adolescent son Robin (Logan Lerman) in seeking out the author of the mysterious tome & uncovering the sinister truth behind the enigma