An interesting and harmless time-killer that sees lawyer Bill Lawrence (Conrad Phillips) being contacted by a wealthy socialite to investigate the theft of an item of jewellery from her collection. Lawrence agrees and soon finds himself in the middle of a complex case, with multiple potential thieves and strange clues in the form of small squares taped to the wall at each crime scene. "The Fourth Square" is a low budget b-movie based on a lesser story by Edgar Wallace. Director Allan Davis manages to get the film to look reasonably good despite the static camera work and the limited number of sets. The story starts of in an appealing manner but slowly gets more and more lost in a myriad of intersecting characters until the final, impossible to guess, reveal. ( )