Ren and Mitchell, a young urban couple from New York, escape the city for a romantic weekend in the Catskills. on their way, they pick up a hitchhiker named Lyle and invite him back to their cottage. As the evening progresses, the two men clash over their different lifestyles, while Ren feels herself mysteriously drawn to the stranger. The next day after hiking to Kaaterskill Peak, tensions between Mitchell and Lyle reach their boiling points. Inspired by Roman Polanski's Knife in the Water, Kaaterskill Falls is an intense psychological thriller that explores how far ordinary people will go when pushed to the edge.