Jack Costello is a private detective in Miami and he finds out he is being followed by a man. He confronts him and finds out his name is Dumas. Dumas speaks with a French accent and he says he is a cartoonist and he needs Costello's image…
Famous football player Long John is killed and the police believe that John was a heroin addict and that his murder is a punishment for something he did. His mother nevertheless swears that his son hated all kinds of dope and asks…
Elizabeth is in a car with her boyfriend when suddenly she feels a pain in the stomach so strong she seizes a knife and stabs herself to death. Her boyfriend is charged with her murder and Dumas is present at his trial and he is struck by…
Burt meets Jack Costello after many years. Burt is a boxer and he is fleeing after a fixed match that he should have lost but instead he won. Then he vanishes. Costello finds in his office Burt's son, 'Jo-Jo' Ritchie, who had came because…
Agent Blake finds the corpse of a child. It is one of a long chain. The murderer is called The Miami Killer by the newspapers. Extralarge assists the police in their investigation. All the murdered children suffered from some kind of…
A scientist arrives in Miami on a ship coming from Cuba. Detectives Extralarge and Willy have been hired to protect him. The scientist, however, is killed under their eyes without them being able to do anything about it...
Jack Costello and his partner are faced with six new and exciting cases: at one stage our hero becomes involved in an international plot to kill a Chinese scientist in order to prevent him from revealing his new discoveries; another time he must find the murderer of his Indian friend; in another case he is forced to put a stop to a series of homicides…
A Chinese scientist comes to the US but is kidnapped straight away from the airport and switched for his look-alike, which soon suffers death in mysterious car accident. Young girl who says she's scientists niece comes to Jack…
Costello's former opponent, Gonzales escapes from prison and seeks revenge against Costello. He implicates Costello in a criminal case, who even goes to prison, but it soon becomes clear that Gonzales' plan is worthless.
Extralarge and Dumas by chance foil the kidnapping of a small girl. What apparently seems to be a normal kidnapping for the purpose of extortion hides a vendetta between drug traffickers. In fact, the girl’s father, Eduardo, is the…
A series of mysterious murders throw the south of Florida into confusion: an individual dressed as a Ninja warrior runs through his victims with a long sword, launching incomprehensible messages. Extralarge and Dumas are appointed by the…
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The mafia has decided to expand its gambling business to Florida as well, where however the state laws prohibit such activities. The lawyer Clemente is appointed to find ways of evading the legal loopholes and make the plan possible.…
