Yuna has spent years hating her mother.Ever since her father's death, the distance between them grew into something neither of them could repair. So when an unexpected phone call from her estranged mother shatters the silence between them, Yuna reluctantly answers—only to hear fear in her mother's voice.Someone is in the house.Then the call abruptly ends.That night, Yuna wakes to the sound of a telephone ringing inside her room.The problem is, she doesn't own a telephone.On the other end of the line is a frightened girl claiming her mother is trying to kill her. As the calls continue, Yuna begins uncovering a terrifying connection between the girl, her own family, and a past that refuses to stay buried.Strange visions. Unexplained memories. A house that seems to exist in two different times at once.The deeper Yuna investigates, the more reality begins to unravel around her.Because some calls aren't meant to be answered.And some voices should have remained in the past.In a story where guilt, grief, and obsession blur the line between truth and nightmare, Yuna must uncover what really happened to her family before the voice on the other end reaches her too.When the phone rings after midnight—don't answer.