Marc Lagnier confesses to the murder of his adored son, but refuses to explain.
Dida Diafat plays himself in this story based around his thai boxing career.
The head of a famous artist with a sordid past is found in the catacombs in Paris. In his studio, Commissaire Rousseau and the young profiler Mariella De Luca discover a second decapitated body, his wife's. The mystery deepens when another head is found a few days later.
