With no immediate threats, Aster and Halan piece together Halan's past. They soon realize Halan has a connection to the rocks they found onboard. This connection leads Halan and Aster to an even bigger discovery that will alter both their lives.
In the aftermath of Bart's actions, the QTA Mothership descends on the beacon leaving little time to process the tragedy. As QTA Leader Aleph comes onboard, Aster must make a decision that could mean life or death for everyone onboard.
Aster and Halan become obsessed with learning more about The Artifact, when an organization known as The Column arrives at the beacon and reveals even more connections. The weight of this knowledge turns out to be too much for one of our heroes.
Secrets revealed at a major fundraising gala for the hospital threaten to end a tenuous truce between Dr. Sam Griffith and her father, Griff. Also, cardiothoracic resident Dr. Lex Trulie makes a decision that could alter her career trajectory.
