Anne, formerly a famous pianist, lives as a recluse in her big rambling mansion, after the car accident which put an end to her career. She can only tolerate the company of the son she worships and the help of an excessively devoted caretaker secretly in love with her. After the mysterious disappearance of her son, Anne falls into depression. Her sister comes to the rescue, while a new maid with a perplexing boyfriend has been hired. Mysterious and out of the ordinary events follow, the story takes unexpected turns that keep you on the tip of your toes until the ingenious and remarkable ending.