The officer Nico Giraldi investigates a homicide which has taken place in a Chinese restaurant in Rome. His wife and his son are kidnappeded by the murderer in the course of the inquiry. In the end the case is worked out.
Tomas Milian
as Nico Giraldi / Ciu Ci Ciao
Bombolo
as Bombolo
Enzo Cannavale
as Vincenzo Quagliarulo
Olimpia Di Nardo
as Angela
Giacomo Furia
as giudice Enrico Arducci
Alessio Mereo
as Rocky, figlio di Nico
Marcello Martana
as commissario Trentini
Massimo Vanni
as brigadiere Gargiulo
Sergio Di Pinto
as Oscaretto
Sergio Tardioli
as vigile urbano
Aldo Ralli
as Impiegato della Dogana
Anna Cardini
as Silvana, amante di Papetti