François Sentinelle has two lives. By day, he is the most famous cop of Réunion Island, known for his tough methods and flowery shirts, pursuing criminals in his famous yellow defender. But the rest of the time, Sentinelle is also a charming singer.
Jealous, racist, greedy, vengeful and desperate, the villagers of Reunion Island place their fate in the hands of a sorcerer, Monsieur Caron, whose son suffers from a mysterious curse and whose only remedy is a very special offering.
