Christine, a powerful and manipulative executive at an advertising agency, takes a young and talented employee, Isabelle, under her wing. Christine's influential presence in the company and outward charm mask a sinister nature as she exploits Isabelle's ideas and presents them as her own. Isabelle initially admires Christine and seeks her approval but gradually becomes aware of Christine's deceptive practices. Their professional relationship becomes increasingly strained as Christine's ambition blinds her to the ethical boundaries she frequently crosses.

Tensions mount when Isabelle starts to assert herself, leading to a complex game of psychological warfare between the two women. Christine, feeling threatened by Isabelle's growing confidence and abilities, resorts to extreme measures to maintain her dominance. As the power struggle intensifies, trust erodes, and betrayal becomes more palpable. The narrative builds up to a series of mind games that blur the lines between reality and imagination, setting the stage for a climactic confrontation that pivots on the intricate dynamics of manipulation, jealousy, and revenge within the high-stakes world of corporate power plays.