Picard and Soji transport to the planet Nepenthe, home to some old and trusted friends. As the rest of the La Sirena crew attempt to join them, Picard helps Soji make sense of her recently unlocked memories. Meanwhile, Hugh and Elnor are left on the Borg cube and must face an angered Narissa.

When devastating truths behind the Mars attack are revealed, Picard realizes just how far many will go to preserve secrets stretching back generations, all while the La Sirena crew grapples with secrets and revelations of their own. Narissa directs her guards to capture Elnor, setting off an unexpected chain of events on the Borg cube.