For nearly a month, a picturesque cabin on northern Lake Michigan hid a ghastly secret. The bodies of wealthy ad executive Dick Robison, his wife Shirley, and their four children lay waiting for someone to find them following a brutal attack on a summer afternoon. From the moment a caretaker stumbled upon the murder scene while investigating reports of a foul odor coming from the property, nothing would ever be the same in the small town of Good Hart.