Mardi Gras Massacre is a 1978 horror film

Horror film

Horror films seek to elicit a negative emotional reaction from viewers by playing on the audience's most primal fears. They often feature scenes that startle the viewer through the means of macabre and the supernatural, thus frequently overlapping with the fantasy and science fiction genres...

 written and directed by Jack Weis. It is a semi-remake of the 1963 film Blood Feast

Blood Feast

Blood Feast is a 1963 American horror film directed by Herschell Gordon Lewis, often considered the first "splatter film". It was produced by David F. Friedman. The screenplay was written by Alison Louise Downe, who had previously appeared in several of Lewis' other films. Lewis also wrote the...

.

Plot

In New Orleans a serial killer wearing a welder's mask strikes during the Mardi Gras

Mardi Gras

The terms "Mardi Gras" , "Mardi Gras season", and "Carnival season", in English, refer to events of the Carnival celebrations, beginning on or after Epiphany and culminating on the day before Ash Wednesday...

 festival. He goes into a bar and asks for the "most evil" prostitute he can find. He then takes her to a basement where he ties her up and cuts off her limbs and genitals. He then kills more prostitutes to get their hearts to sacrifice to an ancient Aztec

Aztec

The Aztec people were certain ethnic groups of central Mexico, particularly those groups who spoke the Nahuatl language and who dominated large parts of Mesoamerica in the 14th, 15th and 16th centuries, a period referred to as the late post-classic period in Mesoamerican chronology.Aztec is the...

 goddess. A policeman who uses a prostitute as a lover and source of information then hunts down the killer based on her tips.

Release

The film was on the UK Government's list of Video Nasties in the 1980s and has not been resubmitted to the BBFC for a certificate since.