Yujeong, a beautiful and successful woman with a trusting nature, becomes the perfect prey for Sunhee, a narcissistic sociopath who charms and traps her in an abusive relationship Desperate to escape, she turns to an old friend for help, while Sunhee—born a predator—launches a dangerous new venture with his own ally As their paths collide, all are drawn into a deadly web of lies, betrayal, and violence that spirals toward an explosive climax