Eris discovers the probe in D'Branin's room and tells them that he wants to shut it down because his mother wants the probe off of the ship. They convince him to let them investigate it for one day. It could be alien communication!
Matheson accessed a memory of her and D'Branin after they broke up. Mother ship observes it and serves up a horrifying image of a pregnant Matheson to D'Branin. He discusses the vision with the real Matheson and learns that she was, in fact, pregnant after their break up and chose not to have the baby. It's a touching moment, and seems to bring them closer.