Mexican horror film about an American painter named Mary (Cristina Ferrare) who is living in Mexico where she sells her works and also kills people for their blood. It turns out Mary is a vampire but not the traditional one with fangs. Since she has no fangs she must stab or slash the throats of her victims but soon she has a new man (David Young) in her life as well as a mysterious man (John Carradine) in black who appears to be doing the same type of murders.

An American bartender and his prostitute girlfriend go on a road trip through the Mexican underworld to collect a $1 million bounty on the head of a dead gigolo.

Detective Philip Marlowe tries to help a friend who is accused of murdering his wife.

Hogan, on his way to do some reconnaissance for a future mission to capture a French fort, encounters Sister Sara, a nun in trouble. Before he knows it, Hogan is accompanying Sister Sara in the dangerous frontier while she seeks to achieve a hidden goal.