Secrets hide within the fog deep in the mossy forests of the Pacific Northwest, in this ninth thrilling installment in award-winning author Margaret Mizushima's Timber Creek K-9 Mystery series.

Deputy Mattie Wray, formerly Mattie Cobb, is summoned to Washington's Olympic peninsula for an urgent search and rescue mission to find a celebrity's missing child. With only a week left before her wedding, Mattie is hesitant to leave Timber Creek, but her K-9 partner Robo's tracking skills are needed.

Dense forest, chilling rain, and unfriendly locals hamper their efforts, and soon Mattie suspects something more sinister than a lost child is at play. When one of the SAR dogs becomes ill, her fiancé Cole Walker suspects poison. Fearing for Mattie's and Robo's safety, Cole s the search and rescue team as veterinary .

Secrets that have lain hidden within the rugged terrain come to light and when it is uncovered that the missing child was kidnapped, the search becomes a full-blown crime scene investigation, forcing Mattie, Robo, and Cole into a desperate search to find the missing child before it's too late.