Stan and Pat race to prepare Tanana to be a checkpoint for the Iditarod dog sled race. Charlie and Bob hunt a grizzly that has been terrorizing a miner's camp. Joe trains his new dog, hoping to turn him into a hunting partner.

Nations & Charlie have a confrontation over rights to a family trapline. Stan & Kathleen try to upgrade Tozi cabin, but get more than they bargained for. The Moore's kennel is on the line as Courtney and Nations race in the Yukon River Championship.

After a poor trapping season, Charlie decides to team up with Stan, in an attempt to catch beaver. Stan & his son discovery a large predator has been stealing from their trapline. Joe takes action, attempting to find the elusive animal on his own.