The Week of the Killer (1972)

A young man, Marco, working as a butcher, accidentally kills a taxi driver. His girlfriend Paula wants to go to the police so he has to kill her too. He then has to kill his brother, his brother's fiancée and her father, who have become suspicious. He gets rid of the bodies by taking them to a slaughter house...

The Week of the Killer is a drama movie featuring Vicente Parra and directed by Eloy de la Iglesia.

The Week of the Killer is currently streaming for free (ad-supported) on Plex, Plex Player, The Roku Channel and Tubi TV and it's also available on AMC+ Amazon Channel, Full Moon Amazon Channel, Shudder and Shudder Amazon Channel.

It is also possible to buy The Week of the Killer on Amazon Video.