The National Assembly of Cree Peoples has gathered together in the Windy Lake First Nation, home to the Mighty Muskrats --cousins Chickadee, Atim, Otter, and Sam. But when the treaty bundle, the center of a four-day long ceremony, is taken, the four mystery-solving cousins set out to catch those responsible and help protect Windy Lake's reputation. The history and knowledge passed down to each generation through the bundle is at stake!