In Philadelphia, Dorothy and Sean Turner are a wealthy, grieving couple attempting to recover from the tragic death of their infant son, Jericho. To cope with her catatonic grief, Dorothy is provided with a realistic silicone "reborn" doll, which she treats as her living child. Sean, a high-end consultant chef, reluctantly plays along to protect his wife’s fragile mental state. Their precarious reality shatters when they hire Leanne Grayson, a mysterious, devoutly religious young nanny from a rural background, to care for the doll.Shortly after Leanne’s arrival, the doll is replaced by a living, breathing baby. While Dorothy believes this is Jericho returned to life, Sean is horrified, realizing the infant is a complete stranger. As Sean investigates the impossible situation, he discovers that Leanne possesses terrifying, supernatural abilities linked to the Church of the Lesser Saints, a fanatical cult she fled. Sean’s brother-in-law, Julian, eventually becomes embroiled in the mystery, struggling to balance his skepticism with the undeniable, occult occurrences manifesting within the Turner brownstone.As the series progresses, the house becomes a claustrophobic pressure cooker. Leanne’s presence begins to influence the architecture and morality of the home, drawing in sinister figures from her past who seek to reclaim her. Dorothy’s motivations remain anchored in her desperate, delusional need to be a mother, while Sean oscillates between protective love and existential dread. The tension escalates as the truth about Jericho’s death—a preventable accident caused by Dorothy’s exhaustion—is slowly unearthed.The narrative explores themes of grief, gaslighting, and the dangerous lengths to which parents will go to deny reality. The supernatural elements serve as a dark metaphor for the trauma that haunts the family. As Leanne’s powers grow, she shifts from a subservient caregiver to a manipulative, god-like figure who holds the family’s fate in her hands. The final chapters culminate in a violent confrontation between the cult and the Turners, forcing Dorothy to finally confront the haunting reality of her past. Ultimately, the series is a psychological
descent into madness, where the lines between the miraculous and the monstrous blur, leaving the characters irrevocably changed by the price of their
desperate lies.