The mysterious Highwayman becomes involved when a biker gang called ‘The Bullets’ rob a small-town bank, with their leader, Bo Ziker, ending up in jail. But it emerges that The Bullets were set up to take the fall for a huge fraud instigated by a local bigwig and the town sheriff...
When Steve, a fellow Highwayman, is murdered, his friend Highway investigates, and uncovers some sinister goings on at a local, secretive production complex. But Highway is shocked to find Steve there seemingly alive; and now, something is very different about him...
The Highwayman is assigned to transport a supposedly dead alien body from a U.F.O. crash site to a research lab. But a reporter is determined to find out what is going on - and the alien is far from dead...
Highway breaks Cody Teague, his friend and mentor from Vietnam, out of prison for stealing an armored car, of which Highway is certain he is innocent. Now both of them are fugitives, and a number of parties - including Jetto - are after them as they search for the evidence to prove Cody's innocence...
Highway and Jetto travel back in time to 1945, to rescue Ms. Winthrop, who has not returned after pursuing a twisted genius who is intent on ending the atomic age before it has even begun...
Highway befriends a strange but friendly man called Mac, who is promptly snatched away by the Army. Investigating just what is going on, Highway and Jetto discover that Mac is a clone, programmed with a deadly assignment...
When a dead body drained of blood and missing organs is uncovered, Highway and Jetto are sent in to investigate, and are soon on the trail of a blood-thirsty doctor trading in spare body parts for the rich and the powerful...
Mafia crime-lord Manetti's men use a high-tech machine that can read agents' minds, to try and find the one man that is set to testify against him. When their first victim dies, Manetti's men capture Ms. Winthrop, and Highway and Jetto are in a race against time to save her before Manetti discovers the witness' true location...
After an accident, Jetto's mind reverts back to five years previously, when he was double-crossed by comrades in battle, who turned out to be dealing in illegal drugs and weapons, and tried to murder him. In a dazed and confused state, he hunts down the two men, who are now in high positions, as Highway and Montana try to stop him before the Army takes him out, but uncovers a vein of corruption...
When an American Indian is accused of murder, Highway and Jetto investigate and stumble onto a long-forgotten gold mine, and an ancient curse "of fire and ice", which will kill anybody who tries to mine there...