A process server and his marijuana dealer wind up on the run from hitmen and a corrupt police officer after he witnesses his dealer's boss murder a competitor while trying to serve papers on him.
The investigation of the murder of ambiguous architect Garrone takes Police Commissioner Santamaria to the Turinese high society, but the results are unclear. In the meanwhile, another murder takes place.
An unorthodox Irish policeman with a confrontational personality is partnered with an uptight F.B.I. agent to investigate an international drug-smuggling ring.