毒杀惊魂 Home for the Holidays (1972)认领

　　Four sisters reluctantly return home to the country to visit there ailing, embittered father over Christmas. Their father believes that his current wife has tried to poison him, but Dr. Lindsay, the local physician, and the sisters disagree. Then a storm causes the roads to be flooded and the telephone lines to not work. Soon it becomes clear that someone wants to kill the fami...