When an American plane crashes in the Cambodian jungle, the pilot is taken captive by the Khmer Rouge. They instruct the kids of a village to keep an eye on the prisoner. While the younger kids gradually become friends with the stranger, the older boy called Pang has a different attitude. Since he grew up without parents, he accepted the Khmer rouge as his replacement parents and endears himself to them by betraying villagers. When Pang becomes responsible for watching the prisoner, things become worse for the pilot.
When Sid accidentally destroys Manny's heirloom Christmas rock and ends up on Santa's naughty list, he leads a hilarious quest to the North Pole to make things right and ends up making things much worse.
There is a new criminal mastermind at large--Professor Moriarty--and not only is he Holmes’ intellectual equal, but his capacity for evil and lack of conscience may give him an advantage over the detective.