Aided by Seven of Nine and the crew of the U.S.S. Titan, Picard makes a shocking discovery that will alter his life forever - and puts him on a collision course with the most cunning enemy he's ever encountered. Meanwhile, Raffi races to track a catastrophic weapon - and collides with a familiar ally.

With time running out, Picard, Riker and crew must confront the sins of their past and heal fresh wounds, while the Titan, dead in the water, drifts helplessly toward certain destruction within a mysterious space anomaly.