Molly, Grandpa, Dad and Tooey go on a snowmobile adventure to search for hot springs in the backwoods; Tooey's hero, dog musher Eugene Pike, re-creates a historic mail run across interior Alaska.

Molly and Dad try to find and fix an eagle cam after wind spins the camera away from the eagle's nest on hatching day; Molly and friends must come up with enough money to buy a water tube at the Trading Post.