Irene, a late-night podcast host in New York, is beset by relentless anonymous harassment, break-in stalking and death threats. On the brink of collapse, Eden, her nineteen-year-old neighbor, keeps turning up with gentle comfort. She blocks a blade aimed at Irene and helps her dig into the case, gradually becoming the only person Irene trusts.What Irene has no idea about is that the deranged perpetrator lurking in the dark, orchestrating all her terrors, is none other than the seemingly meek and harmless Eden. Determined to claim the woman who “saved her” over a hotline two years ago, Eden meticulously stages every crisis. She disguises control as protection, and cloaks obsession in the veneer of love. When Irene’s ex-lover Anna joins the investigation, the web of lies slowly falls apart. Irene finally discovers she has unwittingly stepped into the gilded cage Eden constructed solely for her.
