Audrey Singer revels in her position as the admissions director of an exclusive Manhattan private school. Parents cater to her whims and desires, desperate to give their children an edge. Audrey's power is undeniable; privilege comes with the territory. Her perfect marriage completes the glossy picture of her life.

Until the arrival of the neurotic, vulnerable Sarah Price. Determined to get her son into the city's most coveted kindergarten class, Sarah inserts herself into Audrey's world, testing boundaries at every turn. For Sarah, everything Audrey has is a potential target: her job, her friends…even her marriage.

But what seems to be another ploy by an overachieving mother takes a dark and ominous turn. Sarah seems to be hiding secrets of her own. Are her designs on Audrey's life purely about getting what she wants for her son?

Or is there something more sinister at play in this cutthroat game?