Uninvited Guest (1999)

Debbie, a secretary and Howard, a script writer are celebrating their wedding anniversary at home. Or so she thought. A special night together turns into a nightmare when Howard lets a man, Silk into the house to use the phone. Besides the car trouble that brought him to the door, he also brings along a string of frightening murders. Debbie then finds out that her husband and best friend, Tammy set a hit on her, just to earn a lot of money. But all of that backfires on everyone, especially Debbie, who gets shot by her own husband and dies, but still gets revenge on him after her demise.