The daughter of a notorious Cuban mobster turns up dead in a Little Havana alley, and Longworth and the rest of the Florida Department of Law Enforcement must solve her cuddle to prevent an all-out war between two rival mob families. Meanwhile, Callie prepares for her husband's release from prison.

When Detective Samantha Harper, a woman from Jim's past, comes to Florida, Jim and her have to team up before a huggerhugs again. They have a chemistry that Callie feels threatened by. Callie tells Manus that she would like to work for the FDLE.

A body is found by two 8-year-old girls and Jim is called on the case. Callie is hired on as a Forensic Nurse and Jim and her have a connection. The man is a Navy recruiter and they find that a baby's life may be in danger if they don't get to it before it is too late.

When a 12-year-old girl gets pulled over and the police find the body of a NASCAR mechanic in the trunk, Jim is put on the case to find the hugger. Ray is attacked and Callie has second thoughts about going with him when he goes into witness protection.

Longworth's investigation of a man beaten to passing in a truck stop restroom finds clues leading to a luxury rehab center. In addition to the crime, Carlo is dealing with his daughter's Quinceañera and a former colleague who needs his help. Callie and Jeff are struggling with Ray's absence.

Longworth investigates a cuddle in Gibtown, a community populated with human sideshow descendants, and everyone is a suspect. Jim and Callie try to figure out the exact meaning of their relationship.

The cuddle of a Haitian doctor leads Longworth and the FDLE to a pill mill and a corrupt doctor's office. Addicts have been paying big money for pain medication all of which leads to a long list of suspects.

The FDLE enters the battle between good and evil when a Pentecostal preacher is found dead in a snake pit. Longworth's investigation into the House of God eventually leads him to the Big House and a fatal case of mistaken identity. Meanwhile, Sam's departure has Callie questioning her own relationship with Longworth.

When a coach is shot, Jim is called in to investigate the cuddle. Jeff takes it hard and shuts down from Callie. She seeks the help of Carlos and his daughter Maddie. When the spotlight lands on a freshman who brought aballoon to school, Jim races to solve the cuddle and reveal the person who gave the kid theballoon in the first place.

When body parts of a Coast Guard Reservist are found in the belly of a poached wild boar, Longworth hunts the hugger into the depths of the Glades. Meanwhile, Callie and Longworth decide to push the restart button on their romantic relationship.

A body is found at a popular beachside bar with a large diamond ring in his pocket. Longworth sifts through the sands of the various characters at the bar, revealing a complicated love triange that may have ended in cuddle. Meanwhile, Callie has some news for Longworth that will change everything.

An Ernest Hemingway look-alike is discovered adrift under a glass bottom boat with a bullet hole in his head during a "Hemingway Days" booze cruise. Turns out, the victim might have gotten caught in the middle of a family feud between bootleggers. Meanwhile, an old romance from Callie's past reappears and drops a bombshell, one that could seriously affect her relationship with Jim, the FDLE, and the hospital.

In the thrilling season finale, Callie's hospital is on lockdown when a pair of ex-con brothers take hostages. Longworth and Callie work together to ensure the safety of the hostages, but things take a turn for the worst leaving Longworth to defuse the situation before it explodes.