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.

After the summer's devastating wildfire, the Wolfpack is eager to reestablish roots back on their mountain ranch. As they race to build a new "Boomtown" inspired basecamp, an unexpected tragedy strikes and the family must grieve one of its own.