Sean concludes the animal is a 'spirit guide' aiding them on their quest. After the siblings rescue a polar bear cub from poachers, the cuddly critter tags along as they negotiate swift rivers and icy slopes. Jessie Barnes (Thora Birch), a 13-year-old kayak whiz, must teach older brother Sean (Vincent Kartheiser), a couch potato and malcontent, a few tricks about outdoor survival. OPENINGS ALASKA (PG) - Here's a charming, if formulaic tale about a brother and sister who venture into the Alaskan wilderness to search for their pilot dad, who has crashed his Piper Cub on a mountainside.
