Reluctant millionaire and small town reporter Jim Qwilleran and his cats, Koko and Yum Yum, confront a new mystery when the octogenarian Thelma Thackerary returns to Moose County to turn the old opera house into a film club.
When the body of a well-dressed man is found shot execution-style in a wooded area on his property, Jim Quilleran and his feline companions, Koko and Yum Yum, investigate.
While Moose County is in an uproar over a string of lucrative inheritances, Polly departs for Paris, Koko the irrepressible Siamese meets a piano tuner, Qwill writes a play, and a mysterious bee sting-related death occurs.