Daniel est un fou du volant. Cet ex-livreur de pizzas est aujourd'hui chauffeur de taxi et sait échapper aux radars les plus perfectionnés. Pourtant, un jour, il croise la route d'Emilien, policier recalé pour la huitième fois à son permis de conduire. Pour conserver son taxi, il accepte le marché que lui propose Emilien : l'aider à démanteler un gang de braqueurs de banques qui écume les succursales de la ville à bord de puissants véhicules. Road-movie urbain sur un scénario de Luc Besson, également producteur.
A Minister of Defense (Japan) is traveling to Paris to sign a weapons contract between Japan and France, but first, he is visiting Marseille to view and rate the city police's anti gang tactics (using fake attacks on him).
A group of thieves calling themselves the Santa Claus gang are wreaking havoc, using Santa Claus costumes to commit heists, and the Marseille police are, as usual, unable to keep up. Superintendent Gibert (played by Bernard Farcy) is distracted by a Chinese journalist (Bai Ling) writing a story on his squad, and is unable to stop the robbers.
A lot of water has passed under the bridge since Daniel and Emilien's last adventure: the two men are now fathers and find it hard to look after their sons, two real scoundrels. But one thing hasn't changed: Emilien is still the clumsiest, unluckiest policeman in Marseille and Daniel the fastest taxi driver. The two men will have to team up to stop a terrifying bank robber nicknamed ‘Le Belge’...
Sylvain Maro, inspector of the Paris police, is considered one of the best police officers of the French capital who dreams of serving in the special forces. After finding out that he slept with the Commissioner's wife, he is transferred to municipal police of Marseille, whose mayor is the former Commissioner Gibert. While chasing a taxi driver, he ends up drowning the patrol car and as a result enters into a skirmish with the city police.
