When Lily is hired as the new intern at the magazine where Katherine is editor in chief, her arrival threatens the very foundations of the self-serving little world that Katherine has built. She finds herself obsessively drawn to Lily, who seems to be a cruel reminder of the beauty and potential she once had—things Lily uses against her as she slowly begins to undermine Katherine, sabotaging her work and turning the magazine's new publisher against her. Is Katherine being paranoid? Or is Lily seeking to systematically destroy her life? As Katherine tries to fight back, a toxic generational divide turns explosive and long-buried secrets are exposed—with deadly consequences for both women.