It's late spring and young artist Gerry Coneybear and her twenty cats are thrilled to finally be able to get out of the house and into the garden surrounding her 200-year-old house on the Ottawa River. But Gerry is having a time keeping her curious cats in their own yard, safe from the large dog of her new neighbours, a well-known mystery writer and her philandering husband. When one of the two is found murdered, the surviving spouse is the obvious suspect. As events unfold next door, Gerry and her cats find themselves pulled into solving the mysterious murder. .