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, Tooey and Trini go to the library to research giant ice worms, which they think are responsible for a power outage at the Trading Post; Molly and Tooey lure back Tooey's dog, Anka, after he wanders off into the woods.

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.