Does Catherine Isherwood really haunt the lovely old house in Westriver? When Louise arrives there, she is looking forward to a happy family reunion -- with the usual whirl of parties and picnics, swimming and movies. And this year, perhaps, her brother's friend, Ritchie Allen, will notice her. But before Louise can even unpack, she is drawn into the tragic mystery surrounding Catherine, the beautiful young girl who once lived in the old house.