Chloe Abbington and her sister, Izzie, are enjoying huge success running Paint with a View, their paint party business in the tranquil western New York lakeside town of Whisper Cove. Now, their aunt Constance ― president of the local chapter of the Chautauqua Sisterhood ― has hooked them up with a gig hosting a Halloween painting party. The guests will be painting a local ghost legend, the Lady of Chautauqua Lake, who died a hundred years earlier and rises from the lake every October… What's more, the police find Constance's purple knit hat lying on the ground near the crime scene. Constance pleads innocence, saying the hat mysteriously went missing during the event. Frantic that she might be charged with murder, she begs Chloe and Izzie to help her. The sisters believe their aunt is innocent, but if so, who's the real killer -- and when will the next victim turn up