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.

Suki makes an important archaeological discovery when he digs up an old bone tool covered with markings; Molly runs a contest to design an original flag for the Denali Trading Post.