After using a Borg conduit to travel through time faster, Dal and his friends find themselves at the mercy of a demanding Kazon.

On the run from their time-erasing pursuers, the Infinity crew and their new ally search for an escape. The Voyager embarks on a rescue mission.

While harvesting bosonite on a barren world, the crew encounters aggressive, genetically-modified tribbles — and the Klingon scientist who created them.

Overwhelmed by Asencia's mysteriously advanced weaponry, the Protostar and Voyager crews take a series of calculated risks that endanger the cadets.

A desperate Asencia launches an all-out attack on the Federation that will destroy subspace, while Wesley and the cadets try to correct the timeline.