On the face of it, the relationship between Kristen (Kristen Scott Thomas Kristin Scott Thomas) and Isabel (Ludwensenier Ludivine Sagnier) is a model of the relationship between boss and subordinate, but in fact, the deep feud between the two has already taken root. For Kristen, Isabel's talent is her own cash cow. Through a series of immoral means, Kristen used Isabel to make great profits for herself. For Isabel, the boss's insolence and strength always oppressed her so that she could not turn around, and her daily life seemed to have no end. Pent-up contradictions always break out one day, and Isabel orchestrated a meticulous murder in retaliation for Christine. Can Isabel really do it so hard? Will her plan succeed?