Gerdie, a Swedish woman living in northern Minnesota, discovers Minn in a bushel of cherries from Michigan and invites the little mouse to share the comfort of her cozy cabin in the woods. A series of events separate the pair, and Minn embarks on a journey around the state, trying all the while to find her way home to Gerdie and the cabin. On her travels, Minn meets many new friends, animal and human alike, and her spunky personality will save her from several tight situations.