With the Browns committed to rebuilding, Bear gets the chance to finally meet his son River for the first time. But Bird grapples with her future, longing for life back on the sea in Alaska.

Bird, Bear and Rain make a long-awaited return to Browntown to reconnect with their bush past. But will it be as they imagined it? On North Star Ranch, Bam, Gabe and Noah use a unique method to repair the roads damaged by the fire.

An incoming storm threatens to cut the siblings' Alaska trip short. But surprise news from Billy sends them on a quest to reunite with an old friend. Noah struggles to train his new "war horse," Prometheus.