Federal Investigator Aaron Falk is on his way to a small town deep in Southern Australian wine country for the christening of an old friend's baby. But mystery follows him, even on vacation. This weekend marks the one-year anniversary of Kim Gillespie's disappearance. One year ago, at a busy town festival on a warm spring night, Kim safely tucked her sleeping baby into her stroller, then vanished into the crowd. No one has seen her since. When Kim's...

Five women go on a hike. Only four return. Jane Harper, the New York Times bestselling author of The Dry, asks: How well do you really know the people you work with? When five colleagues are forced to go on a corporate retreat in the wilderness, they reluctantly pick up their backpacks and start walking down the muddy path. But one of the women doesn't come out of the woods. And each of her companions tells a slightly different story about what happened....