Picard begins investigating the mystery of Dahj as well as what her very existence means to the Federation. Without Starfleet's support, Picard is left leaning on others for help, including Dr. Agnes Jurati and an estranged former colleague, Raffi Musiker. Meanwhile, hidden enemies are also interested in where Picard's search for the truth about Dahj will lead.

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.