Juan and Sonia arrive at a large old house, an ideal place to raise their newborn son. When, one night before going to bed, they check the operation of the monitoring device installed in the baby's room, they discover that someone is sitting next to the crib.

Anna (Noomi Rapace) og hendes lille søn flytter til en hemmelig lejlighed uden for Oslo for at undslippe Annas voldelige mand - men frygten flytter med! Hun er bange for at manden vil finde dem, og køber en babyalarm, som hun kan have i sønnens værelse. Men det giver hende ingen ro, da hun hører frygtelige skrig i den. Lydene stammer ikke fra sønnens værelse, men en anden lejlighed i den store boligblok. Er det hendes nerver der spiller hende et puds? Eller overhørte hun et mord?

Susan needs to come up with a commercial jingle for a new pillow before the weekend, but there are distractions: her infant’s incessant crying, her husband’s strange behavior, her baby monitor’s ability to pick up juicy neighboring arguments. And yet, these intrusions seem small compared to the arrival of a mysterious courier, whose presence threatens more than Susan’s productivity.

A religious mother of newborn twins is constantly awakened by the disturbing sound of her crying babies. Using a radio monitor to check on them at night, she encounters a series of unsettling events that might jeopardize even her own beliefs.

A young couple are expecting a new born but one of them has an unexpected turn in life

A mother is struggling with her baby monitor.

Who is Josh Rovnick?, Who is Josh Maddox?, Who is Craig Stanton Reid? A seemingly ordinary evening turns on its head for Husband and Wife Josh and Jenny, when chilling sounds emanate from the baby monitor. As Josh investigates and questions his sanity, will he uncover more than he bargained for?

Despite the baby monitor, mom does not hear the sound coming from the child's closet. When she finally investigates, we gain a shockingly new perspective.