After a harrowing journey, the four bears finally arrive at Toklo's former home. Toklo is thrilled to be in the mountains, surrounded by warm memories of his cubhood, but his homecoming has come at a price. Yakone is dangerously ill and may not survive. Meanwhile, Lusa is unsure of what her future holds. Is she ready to find her own way if it means leaving her friends—the only family she has left?