Who would kill a Carthusian monk and why? As the investigators will find out, the key to the mystery lies in the ultra-secret formula of the Chartreuse plant liqueur.
| Actor | Role |
|---|---|
 Fabienne CaratAlicia Tirard | Alicia Tirard |
 Bernard YerlèsAlex Lazzari | Alex Lazzari |
 Antoine ChappeyDom Francis | Dom Francis |
 Marie-Christine OrryLégiste Lanchon | Légiste Lanchon |
 Rio VegaRaphaël, le fils d'Alicia | Raphaël, le fils d'Alicia |
 Sophie RodriguesJustine Lazarri, l'ex-femme d'Alex | Justine Lazarri, l'ex-femme d'Alex |
 Henri GuybetAlphonse Monnet | Alphonse Monnet |