The GPF needs Jack in Nepal. A plane carrying a team of scientists has gone missing over Mount Everest. They were thought to be carrying the first true Yeti skull ever recovered, proof that the legendary Abominable Snowman really existed. Jack quickly discovers that a greedy collector is behind the theft, and he may have hired Jack's arch nemesis for the job. Can Jack and his fellow agents use their climbing skills to brave the highest mountain on earth and recover the priceless skull?