Decades after the diaspora, the vast canal lands of Karnth still support struggling farms. When a sinkhole chews up Dallas Saldon's soil-tuner, and almost takes him too, he knows he needs to rethink his plans. Tough and resilient, Dallas faces challenges with a stoicism born of the land. But the sinkhole proves just the beginning. Placing Dallas and a new arrival in more danger than he knows. Called in to help, Flis Kupe and Grae Sinder face challenges beyond anything from before. Challenges that might just change everything they know about the canal lands. And beyond. A Karnish River Navigations novel that pits the investigators against an unimaginable foe.