Police detective Paolo Germi and the mysterious Marisa meet each other at a dance hall. Germi is unsuspecting of the secret Marisa is carrying with her: adverse conditions forced her into prostitution. As Germi finds the young girl brutally murdered, he decides to go after her killers. During his investigation, he enters a world of intrigue and obfuscation that leave an endless trail of blood.
Paolo Germi
Marisa
Police superintendent
Gaudenzio Pesce
Carmella
Teti
Giannino
Gloria
Chief S.M.C.D. office
Il Menga
Landlady
Floriana