Sheriff Charlie Azgo lies wounded in a derelict house on the Salmon River in Idaho. Nellie and her black Lab dog Moonshine board a river scow to rescue him. A small gang of criminals escapes with a sack of gold, one in a dory on the river, one on a horse into the wilds, and the third...
The sheriff, Nellie, and Moonie-along with nurse Janie, and Ace, a riverboat sweepman-give chase on the River of No Return. In and out of the river, they run rapids, catch salmon, and meet miners and settlers as they pursue the fugitives. Will they capture their man... or woman? Mystery and adventure in 1920's Idaho!