This nifty thriller represented one of Hathaway's few forays into noir (he was largely known for Westerns). It was unusual for noir in being filmed in shimmering Technicolor rather than the pallet of grays, blacks, and whites more commonly associated with the genre, but then, given the resort setting, this was almost inescapable.
The storyline is straightforward: an amiable Midwestern couple, the Cutlers, Polly and Ray (Jean Peters and Max Showalter, billed as Casey Adams) arrive at the Falls to find the cabin they've reserved is occupied by another, more fractious couple: the Loomises. George (Joseph Cotten), the husband of the latter couple, could be nicknamed "Gloomy Loomy" given his downcast and cynical demeanor; we learn that he spent time in a psychiatric hospital for war veterans. His ravishing and none-too-faithful wife, Rose (Marilyn Monroe) provides ample reason for his suspicions. Turns out she's been two-timing George with a man who looks like the textbook illustration of a smooth gigolo (Richard Allan) and she and loverboy are planning something most foul for George.
But Polly, the distaff half of the Cutler twosome, has witnessed some of the hanky- panky, and when Rose and her lover's nefarious plans run into trouble, Polly finds herself caught between a vengeful husband and a scared-out-of-her-wits wife. The suspense arises from Polly-in-peril and her efforts to extricate herself from another couple's troubles.
Monroe is excellent in one of her few villainous roles in a non-comedy, and Cotten is riveting as the troubled, betrayed husband bent on revenge. His voice-over during an insomniac late-night/early-morning walk by the Falls at the start of the film is almost worth the price of admission alone. And the Falls? They never looked more beautiful- or deadly.
