The Housewarming (Acting Edition S.)

Beattie Gladwin, too old to look after herself any longer, is forced to sell the house, which she's lived in throughout her marriage. But she doesn't want to let go of the house or the memories; so when the young couple, Michelle and Brian move in, she visits them and they become embroiled in to the events, which took place in the past. Beattie's sister, Polly, is also present. Strange things have happened and continue to happen and Michelle and Brian are not certain whether their visitors are real or ghosts. Can you decide?