Jim Qwilleran & his sleuthing Siamese companions Koko & Yum Yum up sticks from their converted apple-barn home for the snowy winter months & move into the old Gage mansion. The house belongs to Junior Goodwinters grandma Euphonia & is full of commonplace treasures hidden in dusty closets
- a curious cats heaven. Everything goes well until the phone rings announcing that Euphonia has been found dead at her new Florida home. The strange thing is that the apparently happy & healthy 88-year-old seems to have committed suicide.