It's Hollowe'en and the crew are going to make a commercial, the first of 8 during their voyage, for a candy bar company that is also a major sponsor of the mission. Several of the crew begin to have hallucinations: Zoe is still hearing a crying baby; Donner continues to see Mars dust on instruments; Nadia sees a shadowy figure moving about their quarters; Paula sees her pet dog; and on Earth, even Eve is seeing things. Eve thinks that the sentient force on board the Antares wants to be revealed. Zoe and Connor realize they've been having the same dream. In flashbacks, Zoe has recovered from the termination of her pregnancy, but feels that everybody of watching her. Ted tells Eve exactly what happened on the earlier Mars mission.