Christian Agata, a famous criminologist known for his biting sarcasm and infallible investigative talent, finds himself caught up in a weekend of mystery. Invited by the Gulmar family—tycoons of the board game industry—to act as a spokesperson for the relaunch of their historic game "Crime Castle," he agrees to spend a few days at their winter estate in the Aosta Valley. What began as a quiet commercial operation soon transforms itslef into a case to solve.
| Actor | Role |
|---|---|
 Christian De SicaChristian Agata | Christian Agata |
 Lillo PetroloIspettore Vanni Cuozzo | Ispettore Vanni Cuozzo |
 Paolo CalabresiBernardo Tarda | Bernardo Tarda |
 Maccio CapatondaWalter Gulmar | Walter Gulmar |
 Giorgio ColangeliCarlo Gulmar | Carlo Gulmar |
 Sara CroceMiranda | Miranda |
 Tony EffeOne Shot | One Shot |
 Chiara FranciniBeatrice | Beatrice |
 Marco MarzoccaCorrado | Corrado |
 Alice PaganiStella Gulmar | Stella Gulmar |
 Enzo PaciDante | Dante |
 Ilaria SpadaNot listed | Not listed |
 Giselda VolodiNot listed | Not listed |
 Caterina BalivoConduttrice | Conduttrice |