It's not that finding dead bodies is uncommon in Head Rock Harbor, Jackson Harper simply didn't expect to find one when out for a day on the Mississippi with Sawyer Robinson.

While out looking for illegal trotlines, Jackson and Sawyer find the body of a man by a campsite, dead from an apparent shotgun blast to the chest. After a brief investigation and the arrest of a notorious Head Rock Harbor resident, Chief Bucksworth is happy to close the investigation. However, Detective Jeremy Morrison isn't so sure that his boss has the town's best interests at heart.

As always, Jackson is suspicious of any crime in Head Rock Harbor and cant keep his nose out of police business. He has no solid evidence, but something simply doesn't feel right about the crime scene. He busies himself taking casseroles to the mourning family, questioning witnesses, and even fighting the police chief when the wrong suspect is arrested. When Jeremy decides that he has no one on his side at the police department, he goes against his own protocol and asks Jackson for help. Together, the two of them will find out if they are simply paranoid or if there's a killer with a shotgun loose in their quaint little riverside town. Rattlesnatch's new obsession might be the clue that unravels the entire mystery