Jean and Michelle are still in love after seven years together. She works in a florist. He is trying hard to write his second novel. They are two months behind with the rent of their Montmartre flat. They receive an unexpected inheritance from Mr. Guillemet, a mysterious disabled man who lived across the street. The legacy seems like a dream come true. They inherit a large private house with all its contents along with Clémence the housekeeper. But the house feels spooky, the power keeps shorting out and they are haunted by Clémence’s strange omnipresence. They suspect her of being Mr. Guillemet’s murderer. Facing their fears…