Dear Dead Delilah

Suggestions:

Yeti: Curse of the Snow Demon Goke Body Snatcher from Hell Invasion From Inner Earth Extraterrestrial Airborne

The stern matriarch of a family that lives in a creepy mansion finds that a killer is hiding in the house, searching for a $500,000 fortune rumored to be hidden there and chopping off the heads of anyone who gets in the way.