Empire of China. 12th century. The King Demons terrorize the land. To defeat these monsters, one needs the courage of a hundred tigers, the strength of a thousand buffalo, the cunning of as many snakes... and have the luck of the devil. All young Prince Duan has are fanciful illusions and stoutness. All Zhang-the-Perfect has is his monk's staff and a bunch of incomprehensible proverbs. All the little beggar Pei Pei has is the gift of the gab and a large appetite. But, most of all, Prince Duan, the old monk and the little beggar girl didn't know that it is impossible to defeat the King Demons. So they did it!
Thomas, a very intelligent and resourceful child, is left alone with his beloved and fragile granddad on Christmas Eve, when a psychopath dressed as Santa Claus breaks into their mansion and starts chasing them. Thomas will do whatever he can to save himself and his granddad, leaving much of his childhood innocence behind.
A young engineer, inventor of a dangerous ping-pong ball, which makes him pursued by the American and Russian secret services, finds refuge in a military camp where his irruption sows some semi-catastrophes.