"The last days of winter bring change, and the future of the town lies in the balance. Jason races the melting river crossings to reach his crashed airplane."

As seasons change in McCarthy, the town is haunted by its darkest day. The icy ground thaws into a quagmire, and old-timer Tim Mischel is marooned at his remote cabin.

Spring means locals can finally reach the outside world to resupply. Jeremy walks a bull calf home through bear country and faces off with a hungry black bear.