They say the real estate business is deadly, but no one is more surprised than Hannah Swensen when her mother, Delores, discovers the dead body of the homeowner – and regular customer of The Cookie Jar – while house-hunting for her sister Michelle. Hannah is determined to get to the bottom of the mystery and is convinced that the prime suspect Mike and the Sheriff are focusing on isn't the culprit. Hannah's sleuthing becomes a family affair when Delores, Michelle and even her sister Andrea – who pays an unexpected visit – take part in the investigation. As Hannah uncovers clues she slowly rules out suspects and is led to the shocking truth about the killer's identity.