A psychological thriller set against the backdrop of Manhattan's elite Upper East Side and sophisticated financial world. Investment banker Clare believes her former colleague Mallory is a good friend, unaware that she despises Clare.. The story opens as one woman falls or is pushed to her death from a posh rooftop party at the Metropolitan Museum. As ambition, obsession, and betrayal tighten around them, the line between trust and danger disappears... until someone goes over the edge. In the end, every frenemy has her day... And someone always falls.