Molly uncovers footage that may reveal the real reason the ISEA chose her for the solo mission, on EXTANT. Meanwhile Ethan experiences his first dream, an unforeseen advancement for which he was not programmed, and Julie distracts herself from work with a mysterious man she meets at the gym.
Molly Woods, an astronaut with ISEA (International Space Exploration Agency) is assigned a 13-month solo mission aboard space station Seraphim. She returns home to her husband John, a robotics engineer who created their son Ethan, a prototype android called a "humanich". When Molly discovers that she has mysteriously become pregnant despite years of infertility, she begins a search for answers.