Before being extradited to Africa to stand trial, a notorious Belgian criminal is entrusted to the Marseilles police department for less than 24 hours. But the wily crook convinces bumbling policeman Emilien he’s a lowly Belgian embassy employee who got railroaded by the brilliant master criminal.

A gang of thieves calling themselves the Santa Claus Gang are wreaking havoc, and the police can’t keep up. Police Captain Gilbert is distracted by a Chinese reporter writing a story on his squad, and taxi driver Daniel is in the midst of a relationship crisis. After a string of mistakes in which the thieves outsmart the police time and time again, Daniel and his super-taxi pitch in.

Hubert is a French policeman with very sharp methods. After being forced to take 2 months off by his boss, who doesn’t share his view on working methods, he goes back to Japan, where he used to work 19 years ago, to settle the probate of his girlfriend who left him shortly after marriage without a trace.

A cabdriver and a cop race to Paris to rescue a love interest and the Japanese minister of defense from kidnappers.