World Intelligence Network (W.I.N.) director Shane Weston explains to Professor Ian McClaine how his nine year-old son Joe can utilize the brain patterns of professional experts to become W.I.N.'s most special agent.
Dr. Conrad Darota intends to discover the secret of W.I.N.'s File 90 which details the BIGRAT project and Joe's involvement as W.I.N.'s most special agent.
Following the shooting of W.I.N. agent Ed Johnson while investigating the activities of ruthless gun-runner Mario Coletti, Joe infiltrates Coletti's hide-out using Johnson's brain patterns.
Army supply runs ferrying U114 liquid explosive to the North African Kachunga tunnel construction project have been plagued by sabotage. WIN brings in a boy colonel to do a man's job.
W.I.N. agent Roger Fleming is captured in Santa Marina after hiding a top-secret microfilm. Joe 90's mission is to navigate the labyrinthine jungle canals, rescue Fleming from an impregnable prison fortress, and recover the microfilm.
When the Sultan of Ardaji dies under mysterious circumstances and the heir to the throne, Prince Kahib, is kidnapped, Joe must temporarily assume the role of the prince to prevent the corrupt Regent, Ben Shaza, from seizing power.
Concert pianist Igor Sladek is secretly one of W.I.N.'s top agents, but during a private recital at the Dolski Palace, his final engagement of a world tour, his cover is blown and he is arrested. It's up to Joe to break him out.
When two electronics specialists vanish in suspicious plane crashes, WIN suspects they were kidnapped. To lure out the kidnappers, Mac is used as bait, flying the same route as the previous planes, with Joe acting as his escort.
A U85 two-man atomic submarine is grounded inside Porto Guavan territorial waters and its discovery by Juan Chaves' military dictatorship could jeopardise free elections in the police state.
On the week before Christmas, Rev Shepherd has been passing forged bank notes but when he is confronted by Mac and Sam, he reveals that his verger is being held hostage by the counterfeiters in the church crypt.
An experimental brain transfer allows Mac and Joe to dream the same dream. In it, they are involved in a race from London to Monte Carlo against an Army team led by General Tempest, who will stop at nothing to win.
After the crash of an F116 prototype aircraft, Joe flies a second prototype to determine the cause of the crash, using the brain patterns of top test pilot Jim Grant.
Four of the world's leading statesmen have been paralysed by a poison developed by the Amaztecs, a tribe of South American Indians that was wiped out three hundred years ago.
When the BIG RAT breaks down, Joe ends up falling asleep and dreams of being a gun-slinging sheriff of the town of Joesville in the wild west where he must single-handedly take on the infamous WIN gang.
W.I.N. discovers that the Eastern Alliance have built a secret rocket installation which will launch a nuclear device into orbit and hold the world to ransom.
When the Eastern Alliance isolates the X-41 virus, a pathogen capable of breaking down the molecular structure of matter and destroying everything in its path, Joe is sent into enemy territory to retrieve a formula that can stop it.
A new Orbital Glide Transport craft is sabotaged and crashes on the launch control building, trapping the flight controller inside with vital monitoring equipment - both will be wiped out if the OGT's rocket fuel ignites.
