In the idyllic setting of Silverwoods, a dense mist emerges over the river Snayke, unsettling the local wildlife. Farmer Gabriel Smee and his son Pongo, on an otherwise normal day of haymaking with friends, find a strange chill interrupts their usual joviality.
But is this mysterious mist more than it originally seems? Who is the notorious figure named Snybone? And what is the mystery behind the local missing children?
Join Pongo and friends on their adventures, which blend friendship, bravery, and fantasy, as the group explore the strange forest and uncover its secrets.