Vail suspects that an escaped convict has fled to his old stomping grounds in the swamp.
A suspect who keeps insisting that he was framed escapes from custody.
A fugitive killer holds a young couple hostage in their home.
Vail must tread carefully when he closes in on a wanted backwoodsman.
A recently released convict returns to his home settlement in the Everglades determined to exact revenge on those responsible for his imprisonment.
Vail gets suspicious of a helicopter and a sea plane flying over a certain spot in the Everglades. The investigation leads to a photographer and a fishing guide.
A nasty old skinflint gets poisoned on his birthday soon after insulting his own family.
Vail tries to clear an accused suspect who just failed a polygraph test.
Vail tries to prevent a deadly duel between the heads of two feuding families.
Vail jails a reckless youth despite threats from his gambler father.
Vail captures a robbery suspect at his cabin in the Everglades but on their way back to civilization, Vail's airboat breaks down thus forcing the lawman and his prisoner to continue on foot with the prisoner's brother in pursuit.
Vail tries to arouse the locals against a small-time chiseler.
A prizefighter from the Everglades tries to evade a gambling syndicate when he refuses to take a dive.
Vail gets caught in a storm with a group of strangers one of whom is a psychotic escaped mental patient.
Vail and four gangsters are on the trail of a deported racketeer who just slipped back into the country.
Vail is abducted by a family who blames him for the death of a relative and is let go in the Everglades without any food or water.
A newlywed bride fless after thinking that her groom is a notorious criminal.
An ambulance attendant, who's part of a narcotics ring, flees with his wounded galpal into the swamps.
A divorced man who just lost custody of his daughter abducts the child unaware that she was bitten by a rabid dog.
A young Native American takes things into his own hands when his fiancee is robbed and beaten by an criminal couple.
Two fugitives hole up in a floating "school."
Vail tries to help out a teacher who's been encountering resistance bringing education to the swamp folk.
A chimpanzee is scheduled to be destroyed after he allegedly bites a 12 year old boy.
Vail and a female scientist are the next targets of a killer.
A man paroled from prison after 20 years has one thing on his mind--returning to jail.
Vail is stalked through the swamp by a man who was offered twenty grand to kill him.
A fugitive Mob boss forces a reformed ex-convict to help him elude the authorities.
Vail gets suspicious of two strangers claiming to be lost tourists.
Vail's trainee gets into a deadly encounter with some smugglers.
Vail must sift through the past of a mysterious hot chick in order to clear a pal of a murder charge.
Two Native Americans aid Vail in his search for a damsel who disappeared shortly after her hubby's murder.
A group of anthropoligists, searching for a remote Seminole tribe deep in the Everglades, have their supply boat stolen.