Diane and Cecil Palmer have just moved back to England with their son Peter after living several years in Rhodesia. Peter longs for his African nanny Molly and writes her every day even though he gets no answer. Mr. and Mrs. Palmer both behave like they belong to some kind of master race and they accuse their maid Annie of stealing. Furthermore Mrs. Palmer has difficulty coping with her dominant husband and has developed a drinking problem. One night she disappears on her way home from the Aidensfield Arms. Her car was last spotted by David Stockwell, who does not see anybody behind the wheel and he is sure the vehicle was driven by a ghost.