The Baby Monitor: A Domestic Psychological Thriller. The Domestic Systems Trilogy, #3

The baby is asleep upstairs. The monitor says she is gone. Tessa Calder has spent eleven months learning the small rhythms of motherhood: bottles, naps, teething cries, whispered comfort in the dark. Her daughter June is real, warm, breathing, and safe in her crib. Then the baby monitor app sends a notification that changes everything. Child not found. At first, Tessa thinks it is a glitch. A bad update.
Another piece of unreliable smart-home technology in a house already full of too many apps, accounts, permissions, and family "help."But the alerts keep coming. A forgotten device wakes inside the nursery. A familiar voice speaks through a camera that should be off. A family account begins rewriting who has authority over June. And a calm, polished system starts building a record that makes Tessa look unstable, unreliable, and increasingly unfit.
Her husband Evan wants to believe her, but the evidence keeps arriving under his name. Her mother-in-law Marian insists she only meant to help. A care-support consultant offers soothing language, official forms, and a terrifying promise: temporary support is not the same as taking a child. But Tessa knows the truth. Someone is using ordinary technology to turn motherhood into evidence. Someone is making refusal look like distress.
Someone is trying to remove June without ever breaking a window, raising a voice, or leaving a fingerprint. As the night tightens around the Calder home, Tessa must fight a system built from baby monitors, shared accounts, archived footage, voice profiles, and family permissions, where every denial can be reclassified and every act of care can be used against her. Because the danger is not in the nursery.
It is in the record. And if Tessa cannot prove her daughter is safe before the system decides otherwise, the room upstairs may become the last place June was ever truly hers. The Baby Monitor is a chilling domestic psychological thriller about motherhood, gaslighting, smart-home surveillance, toxic family control, and the terrifying question of who gets believed when technology tells the better lie.