The gripping new novel from the author of the Sunday Times top ten bestsellers, Waterstones Thriller of the Month and Sunday Times Crime Book of the Year, The Dry . . . Five women reluctantly pick up their backpacks and start walking along the muddy track. Only four come out the other side. Federal Police Agent Aaron Falk has a particularly keen interest in the whereabouts of the missing bushwalker. Alice Russell is the whistleblower in his latest case - and Alice knew secrets about the company she worked for and the people she worked with. And as he delves into the disappearance, it seems some dangers may run far deeper than anyone knew.