As Starfleet's newest recruits are invited to join Admiral Janeway on a vital mission to a newly formed wormhole, Dal struggles to fit into his new role. But the discovery of a secret on board their ship could change everything.
After Gwyn receives less than a warm welcome on her home planet of Solum she turns to a young version of her father for help. As Voyager arrives at the newly created wormhole, Dal forces Admiral Janeway's hand about her secret plan.
Gwyn challenges Ascencia to a duel in the hopes of convincing the leaders of Solum that she can be trusted as one of them. In the future, Dal, Jankom, Zero, and Maj'el find themselves imprisoned alongside Chakotay and his first officer.
As Admiral Janeway is ordered to collapse the wormhole to the future, the cadets must figure out how to interpret a vital message from Murf in the hope of finding Chakotay and the Protostar.
The team plots to "borrow" the Infinity and evade Starfleet in order to set the timeline right again, but are waylaid by their own holographic duplicates – created to fool the crew of Voyager.
Zero makes contact with a colony of noncorporeal beings, including a fellow Medusan, who offers them a new body with the ability to touch, smell, taste, and feel the world for the first time.
The trail of clues lead the kids to a planet hidden out of phase, where a time traveler reveals his plan to restore the broken timeline ... if they can survive an attack by creatures that are drawn consume their reality.
While Wesley and the team hide from the creatures seeking to erase them from existence, Voyager arrives in search of their people – putting Janeway and her crew in the line of fire.
Dal and his friends find Captain Chakotay, stranded on a barren planet for ten years, and less than eager to return home – his spirit broken by the loss of his first officer.
With Chakotay restored the crew must work together to navigate the vapor ocean and a deadly electrical storm and get the Protostar off the surface of Ysida. Dal has a crisis of confidence.
In order to restore the protostar drive the crew visits a planet with a rich deposite of bosonite, only to find that a colony of ferocious, genetically modified tribbles have made their nest there.
The crew's happy reunion on Voyager turns sour when they realize they are on the wrong timeline, and an attempt to fix things lands Chakotay and the others in the ruthless Mirror Universe.
Voyager receives orders to return to Earth and let someone else finish their mission, only to come under attack by Asencia and her newly constructed weapon.
The Protostar crew and Nova Squadron fight to protect Voyager after the ship comes under attack by a temporal weapon, and Zero puts their new body on the line to try and save everyone.
With the Federation on the brink of war Gwyn leads a mission to infiltrate Solum, rescue her father, and discover the source of Asencia's advanced new weaponry.
While Voyager engages a fleet of advanced weaponry bound for the Federation, the crew bands together to try and take control of the wormhole technology on the surface of Solum – where Gwyn faces a final showdown with Asencia.
With Solum on the front lines of an invasion of the Loom, Voyager and the Protostar must fight their way through the wormhole before the trans-dimensional creatures erase their reality from existence.
