After an encounter with another survivor, Kamen considers the weight of his actions, while Azi experiences a change of heart.

In range of the wrecked Demeter, Azi confronts Kris about the ship's remaining survivors, while Sam delivers a devastating truth.

As Ursula races to reach the ship, Azi fights to get free and Kamen faces a haunting new vision. Onboard the Demeter, Kris finally meets her match.

In a bid to save the surviving crew, Azi and Ursula face-off against their greatest threat yet, while a conflicted Barry weighs an important decision.