Buck journeys through a space warp into another universe, where he discovers that the peaceful planet Pendar is being threatened by the sinister war witch Zarina. The Pendarans enlist the aid of Buck and Princess Ardala, who had followed Buck through the space warp, and an unsteady alliance between the humans and Draconians is formed as Buck leads a combined fleet against Zarina's battlecruiser.

Buck journeys through a space warp into another universe, where he discovers that the peaceful planet Pendar is being threatened by the sinister war witch Zarina. The Pendarans enlist the aid of Buck and Princess Ardala, who had followed Buck through the space warp, and an unsteady alliance between the humans and Draconians is formed as Buck leads a combined fleet against Zarina's battlecruiser.

Buck attempts to free a peaceful planet from the powerful grip of an evil warlord known as the Traybor. He leads a band of men into Traybor's fortress in the hope of freeing the women the alien has kidnapped, but Traybor has a few special powers that may end Buck's career at any moment.

The evil Lars Mangros plans to broadcast a subliminal signal during the next performance of the rock group Andromeda that will cause the youth of the galaxy to riot. Buck infiltrates Musicworld, where the broadcast will originate, in an attempt to stop the madman from destroying the galaxy's cities.

Buck sees a woman that looks like the girlfriend he left behind in the 20th century. He manages to track her down but is unprepared for what he finds.

Buck is invited to the Intergalactic Olympic games as an honored guest and gets involved in an athlete's attempt to defect to New Chicago.

A mine owner steals Twiki in order to clone him for use in his mines. Wilma struggles moving an iceberg through space.

Princess Ardala returns with another plan to snare the man from the 20th Century. This time, she captures Buck by luring him aboard a phoney 20th Century spaceship like his Ranger III. Once aboard the flagship Draconia, Kane creates four duplicate androids of Buck in an attempt to have them pilot the Draconian Hatchet fighters in an attack against Earth.

A mysterious probe materializes on Dr. Huer's desk, and beams a message into his computer - an old Earth style limerick with vaguely sinister overtones. Buck experiences flashbacks (this is a clip show) as he undergoes a psyche-probe to determine which of the many criminals from his past might be hatching a new scheme for revenge.

Buck has been moping about, pining for the Earth he once knew and can never know again. So when Twiki suggests a surprise birthday party, Dr. Huer and Wilma agree. Their problem then becomes how to get Buck out of his apartment while they set it up. That proves easy enough when the Security Directorate sends a courier for Dr. Huer's itinerary: they ask Buck to escort her back to the Directorate, which is concerned about a possible threat to Huer's life. But the threat is very real and the source of it a very bitter and dangerous man, who has been cooped up in prison underground for nearly fifteen years - and blames Huer for it!

A cargo ship passes through the stargate and collides with Delta Station. All her crew are dead, and the station's physician suspects the dangerous virus EL7, which numbers hallucinations among its symptoms. So when Wilma begins to feel stalked, the commander assumes she's just getting sick. The truth turns out to be far worse.

Buck escorts Miss Cosmos, a woman as close to genetically perfect as has yet been discovered, on a cruise. But a pair of thieves has also boarded, and they intend to kidnap Miss Cosmos and dissect her into nice, marketable bits of genetic material. They make one attempt that nearly succeeds, revealing that one of them possesses dangerous abilities that will test Buck's defensive and security planning skills.

A mysterious pyramid assumes orbit about Earth and fires a beam of energy that hits well outside of New Chicago - and nevertheless shakes the city! It is part of Princess Ardala's latest assault on Earth. This time, she demands that Buck Rogers marry her, as part of her ascension to the Draconian throne! With the fate of Earth's cities on the line, Buck may not have a choice - unless he can convince a hermit to teach him what he must know to find the weapon's control center aboard Ardala's ship.

Roderick Zale specializes in political kidnappings. His latest is eleven year old Genesian President Hieronymus Fox. Initially, Earth authorities refuse the Genesian request for help, as there are no formal treaties between Earth and Genesia. It turns out that Fox is from the twentieth century - a child genius who froze himself when he saw the calamity coming, and was looted by aliens and passed from planet to planet. Genesia wants him back, but is afraid the Earth will demand his repatriation.

The planet Zantia has a secret: most of its men are gone! The prime minister has passed a law legalizing the kidnapping of men for sale to women as mates! A man named Cassius Thorne and his two associates lures Buck there with a phony distress signal - the latest of his captures. It seems most of the Zantian men are prisoners of the Ruathans, with whom they fought a war. That's a problem, because Earth is presently locked in tense, failing negotiations with Ruathan ambuquad ambassador Mr. Devronin - Ruatha is Earth's chief source of the rare mineral barbasite. So when Buck becomes involved in a Zantian plot to kidnap Devronin, Wilma must stop him...

Mallory Pantera has managed to nearly strangle Earth trade in his sector, due to an almost uncanny knowledge of the schedules. His imprisoned former girlfriend Jen Burton might know how he has achieved this, so Buck goes undercover into a high security prison run by androids to break her out and return her to Earth. He manages the breakout, but discovers she's still loyal to Pantera. And, a murderous android named Hugo follows the pair, determined to kill them for engineering the breakout. Even if they make it to the rendezvous, Pantera plans to kill Burton to keep her from betraying him...

Commander Corliss and Roxanne Trent lead a criminal organization holed up in the Necrosis asteroid belt. No one can reach them there because no one knows how to enter except them - and an old fighter pilot Wilma forced out of service for medical reasons. When Corliss steals a quantity of nerve gas slated for destruction, reaching him becomes essential. He plans to release the gas in Earth's atmosphere: revenge for his maiming during a narrow escape from Earth forces. Wilma must ask a man she recently described as inadequate for help.

The Legion's plan stands revealed. Criminal mastermind Seton Kellogg has devised a means of sabotaging the contra-terrine generating plant that supplies New Chicago with power. Mostly automated, the plant is well-equipped with defenses to prevent exactly this sort of event, but Kellogg's tactical genius and the powers of each member of his lethal fraternity can overcome these, or so he believes. Buck must return to Earth and prevent the Legion from carrying out mass murder. But when he arrives, he discovers them fleeing, having already managed their sabotage...

Some time ago, Earth Defense Directorate agents killed Morgan Deneva, a member of the deadly Legion of Death. These assassins have sworn revenge, and with their brains and unusual abilities, they might well manage it. So Buck goes undercover as Raphael Argus, a killer whom the Legion was on the cusp of inducting, but whose face is unfamiliar to them. His job is to infiltrate them and learn what they're planning. But they have a spy in the Directorate whose inside information might end Buck's imposture rather... abruptly...

Falina Redding accidentally sees a computer readout she shouldn't. The codes could cripple three quarters of her boss Amos Armat's illegal operations. So naturally, his deadly enemy Morgan Velosi wants those codes - so much that he has Falina kidnapped and taken to his private pleasure city of Sinaloa, where memory expert Carl Morphus will obtain the codes. Armat can't touch her there, so Armat offers the Earth Defense Directorate an unusual trade: if they can rescue Falina, he'll turn himself and evidence of his illegal operations over to them. But why is he so invested in the life of one employee?

Buck and Wilma discover that Kaleel, a demagogue with strange powers, plans to destroy the Earth with his own small fleet of spacecraft. Normally such a plan would be pure folly, but Kaleel has incapacitated most of Earth's defense force with poisoned food. However, Kaleel's own forces have a crucial weakness that Buck believes he can exploit to defeat them, even with a handful of barely capable flies of his own.

Buck, Wilma, Doctor Huer and Doctor Theopolis investigate a rash of illness that has incapacitated thousands of New Chicagoans. Eventually, they discover the cause: poisoned food discs. That discovery leads them to the remote agricultural planet Vistula, where a sinister demagogue's plans for Earth unfold...

Conclusion. Buck receives an unfriendly welcome---he's convicted of treason and banished to Anarchia.

Captain Buck Rogers awakens in the year 2491 after 500 years in cryogenic suspension only to be captured by forces from the Draconian realm.