*69 — Blake Crouch

Tim and Laura West receive a bizarre voicemail on their answering machine. Although the sound is muffled, the raised voices, suspicious thuds, and tortured gurgles lead them to believe that what they re hearing is a brutal murder, unintentionally left as a voice message. As they try to decide what to do next, they are forced to consider a terrifying thought: What will happen when the killer realizes his mistake?