Thirteen years ago, a devastating fire destroyed the affluent Murata household, tearing apart young Anzu’s life. Her mother, a gentle housekeeper, was unjustly blamed for the tragedy, leading to her
nervous breakdown and divorce. Now an adult, Anzu harbors a fierce thirst for vengeance and the truth. Disguised under the alias Anzu Wada, she infiltrates her childhood home as a housekeeper for Makiko Murata, the glamorous fashion influencer who was the prime suspect and ultimate beneficiary of the fire's aftermath. Makiko, consumed by social media vanity, narcissism, and a desperate need to maintain her elite status, remains entirely oblivious to the identity of her new employee.Inside the mansion, Anzu systematically gathers evidence while subtly dismantling Makiko’s fragile life. She forms a complex alliance with Makiko’s eldest son, Yuzu, who is deeply alienated from his mother’s superficial world and struggling with his own
hidden identity. Meanwhile, Anzu’s younger sister, Yuzu’s younger brother Kiichi, carries profound trauma from the past, living as a reclusive hikikomori. As Anzu uncovers dark family secrets, she learns the fire was no accident, implicating not just Makiko, but also the patriarch, Shinji Murata, who covered up the crime to protect his hospital's reputation.Tensions escalate dramatically when Makiko’s web of lies begins to unravel publicly. Her influencer persona faces intense scrutiny, and rivalries within the elite circles threaten to expose her past crimes. Anzu’s double life becomes increasingly perilous as she balances her duties as a spy with her genuine emotional attachments to the brothers, who slowly begin to suspect her true motives. The psychological chess match between Anzu and Makiko reaches a boiling point when long-buried medical records and audio logs are leaked to the press, shattering the Murata family facade.The climax forces a confrontation where Makiko is stripped of her wealth and social standing, facing legal and public ruin. Anzu achieves her goal of restoring her mother's honor and exposing the true villains, yet she must grapple with the emotional toll of her deceit. Ultimately, the series concludes with the shattered Murata family forced to rebuild their lives in anonymity, while Anzu steps into her future, finally freed from the haunting flames of her past, ready to forge an authentic path forward.