In a lush, sun-drenched state preserve in Palm Glade, Florida, a young couple in a parked car wakes from a night of drunken carousing to find the body of a headless woman submerged in the area known as Fisheating Creek.
Jim Longworth takes Callie's son Jeff to a heavily-wooded area to collect bugs for a school science project. In the effort, they stumble upon an abandoned airplane with a dead body inside. The victim turns out to be a retired Special Ops guy who taught flight school lessons on the side to make extra money.
Longworth gets his first taste of a Florida hurricane, but instead of waiting out the storm, he gets swept up in a murder investigation that appears to be a spree killing and he must find the killer before there is another victim. Meanwhile, due to the storm, Callie and Carlos deal with a massive influx of patients at the hospital and a power outage leads Carlos and Daniel to take extreme measures in order to save lives.
Jim is introduced to the intensely competitive world of Florida high school football as the small town of Pahokee prepares for the annual "Muck Bowl," an event that draws national attention because of the many NFL players who came from that area and who have played in that game. When the dead body of a businessman emerges from the muck in a sugar cane field days before the big game, Longworth must figure out who would want the man dead.
Longworth gets a nightmarish call from Daniel that Carlos has been found dead. Longworth is speechless and horrified at the site of his face-down dead body, but not as horrified as the real Carlos who is alive and pissed off. Thanks to his daughter's internet shopping addiction, he was the victim of identity fraud by the murder victim. Longworth tracks the victim to the fake-Carlos' girlfriend who is a social anthropology doctoral student who has many research subjects who are emotionally attached to her. Longworth tracks down each of her subjects in his quest to find the real killer.
A man suffering from head trauma claims to have witnessed a murder before being attacked and believes the murderer looks exactly like him.
Longworth and Carlos are called to investigate the murder of a psychic advisor in the eerie town of Cassadaga, founded over 100 years ago by mediums and psychics; Callie's friend asks Longworth to be her date at a party for Callie's medical school.
A ruthless divorce attorney is murdered. Meanwhile Callie's son, Jeff claims to have seen a man standing at his window, but Callie believes he's imagining it. Believing Jeff is telling the truth he has the boy look at mugshots on the computer, through which Jeff finds out the truth about his fathers criminal past and confronts his mom.
Longworth's case involves a tribal leader found dead at a Native-American owned casino. The first hurdle is getting the tribal police to let the FDLE run point. Callie has convinced herself that she wants only friendship from Longworth but finds herself jealous seeing Josie Tigertail, a tribal police officer, interact with Longworth.
Longworth and Carlos investigate a murder involving high-end horse breeding. Callie, who was once an aspiring jockey, helps them with the ins and outs of this competitive, cut-throat world. Jim sees another side of Callie which leads them to grow closer.
Longworth investigates the death of a famed treasure-hunter who was after a Spanish ship believed to contain billions of dollars in booty. Longworth must figure out if the victim was close to finding the treasure and if that's what got him killed. Callie's passion for treasure hunting lore sets her and Longworth on an adventure that just might change their lives.
Longworth's latest investigation into the death of a young girl puts him at odds with a powerful political family. It appears she was having an affair with a Florida State Senator. Complicating matters is the Senator's wife who will do whatever it takes to promote her husband's political career and protect her family's name
A man recently released from prison is found dead along the fairway. The victim was the caddy and life-long friend of professional golfer Scott Winters. Things don't add up for Longworth when he discovers the victim may have served time for a crime he didn't commit. The case motivates Longworth to commit to breaking 80 on the greens. Heather tempts Longworth with her cooking while Callie frets over their relationship. Daniel seeks a promotion from his intern status