An ambitious painter on the verge of a big break confronts his moral decay when his idealist, hell-raising younger sister comes to stay with him in New York City for the summer.

At a remote lake house in the Adirondack Mountains, a couple entertains an out-of-town guest looking for inspiration in her filmmaking. The group quickly falls into a calculated game of desire, manipulation, and jealousy, unaware of how dangerously intertwined their lives will soon become.