POCKET MONSTER SPECIAL: Shadows of the Heart

Blue and Yellow are send to the Orre region to deliver a package to a colleague of Professor Oak. But things quickly get out of hand when a mysterious group, called Team Snagem barge in and try to steal all the Pokemon. The two girls decide to give chase to stop the villainous team, but things aren't what they seem. What is the dark secret that governs over the Orre region?