After discovering that the crew of the U.S.S. Gagarin, a ship destroyed by the Klingons a decade earlier, have been held prisoner for ten years, Captain Kirk and his crew, aided by an unexpected ally, the Klingon Koloth, embark on a dangerous mission deep within enemy territory to free the hostages.

Star Trek: Constellations is a mind-blowing collection of specially-commissioned stories designed to go where no anthology has gone before. Each story in this collection takes its inspiration from an element of 'unfinished business' from the original series so that they read like 'lost episodes' of the television show.

When a rogue pulsar sweeps through a star system and threatens to destroy all life on a planet, the Federation is faced with a daunting choice: stand by and witness the extinction of a thriving civilization, or violate the Prime Directive and mount a desperate effort to protect the planet. The Enterprise is sent to aid the doomed planet.

Through flashbacks intercut with the ongoing conversation between Kirk and Admiral Heihachiro Nogura, Starbase 47’s second and final commanding officer, the Enterprise’s involvement in the last days of Operation Vanguard - and the conflict between Starfleet and Tholian forces at Starbase 47 - is told from the perspective of Kirk and his crew.

The Arctic Circle, 1845: Escaping the tyranny under which their people have lived for generations, aliens from a distant planet crash land on Earth’s. San Francisco, 2283: When a mysterious craft is detected entering the solar system, Admiral Kirk is confronts the vessel. He meets with an emissary from the Iramahl, a previously unknown alien race who have come in search of their brothers and sisters thought to have gone missing in this area of space centuries earlier.

A science vessel is severely damaged during its mission to the Xondaii system and the Enterprise is dispatched to investigate and render assistance while Kirk, Spock and Sulu collect data on a nearby spatial rift.

For years, Starfleet Intelligence agents have carried out undercover assignments deep within the Klingon Empire. Surgically altered and rigorously trained in Klingon culture, they operate in plain sight and without any direct support, while collecting information and infiltrating the highest levels of imperial power. Their actions have given Starfleet valuable insight into the inner workings of Klingon government and its relentless military apparatus. After three of Starfleet’s longest serving agents fear exposure, they initiate emergency extraction procedures. Their planned rendezvous with the USS Endeavour goes awry, threatening to reveal their activities and the damaging intelligence they’ve collected during their mission.

The conclusion to the epic trilogy that stretches from the earliest voyages of the Starship Enterprise to Captain Kirk 2019s historic five-year-mission.

Over a century before the days of the da Vinci, the Starship Enterprise encountered and deactivated a world-running computer called Landru on Beta III. In the aftermath of the incident, a team of engineers, led by Montgomery Scott, is tasked with getting Beta III back on its feet. But even in "death," Landru's influence can still be felt.

Forced to disguise themselves as interstellar traders, Captain Kirk and Mister Spock are trapped on the primitive world of Organia as Klingon Defense Forces occupy the planet. Determined to make the Organians see that they need not bow to oppression, the Starfleet officers sabotage Klingon materiel. In retaliation, the Klingon captain Kor executes many Organians.

In anticipation of a monumental conflict with the Klingon Empire, the Enterprise is assigned to guard a vital starbase located perilously close to Klingon space. But even as Kirk's mission brings him into a tense confrontation with an invading Klingon battle cruiser, an equally deadly menace lurks within the ranks of his own crew: Klingon infiltrator agents.

As Kirk and crew attempt to renegotiate a delicate peace between the Federation and Romulan Star Empire, it becomes increasingly apparent that their only course of action is to prepare for war!