Symphony in Blood Red is an Italian 'giallo', a horror film inspired by the work of Dario Argento. It is the first feature movie directed by Luigi Pastore, and in collaboration with Antonio Tentori (Cat In The Brain), who co-wrote the screenplay.

Rome is shattered by a series of gruesome murders that paint the Eternal City deep red. The suspicion grows that these atrocious crimes are connected with the return of one of the most heinous serial killers of our time - Karl the Butcher.