NIAGARA (1953) is a film noir production, starring Marilyn Monroe, Joseph Cotten and Jean Peters, tells the story of an ordinary couple on an overdue vacation who witness the distressing and suspicious actions of another couple staying in a neighboring tourist cabin overlooking Niagara Falls.  Ray and Polly Cutler, on a delayed honeymoon, become unwillingly involved in the troubled and volatile marriage of George and Rose Loomis.  The incredible film scenery lends itself to this plot filled with illicit love and murder!