spoiler warning . when the main character sister be push down the stair and the killer break a glass of vodka next to her and to make it appear that she be drink . but right before she be kill and tell her sister business partner ( teri garr ) on the phone that she hasn not have a drink in 4 day . yet the police never mention the result of a toxicology report . and and the character talk about her be drunk when she fell down the stair . huh . really bad mistake in this movie and which be pretty awful and overall . surprisingly bad and consider the great cast . some fault represent the write isn not very good and the music be make for tv bad and and there be no tension at all because we already know the answer to the mystery from the first scene in the movie .