Darius must accelerate his plan to stop the asteroid before the Pentagon shuts him down. Meanwhile, Grace is forced to make some difficult decisions that could have life or death consequences for millions of people; and Liam and Jillian reunite under surprising circumstances.
Darius and Liam need to invent a theoretically impossible piece of technology to divert the asteroid. Grace risks everything to help Darius, while Liam heads home to Boston to track down critical research, but he finds something shocking instead.
An MIT grad student discovers an asteroid is set to collide with Earth in just 186 days. He joins forces with a tech billionaire and the U.S. government to try and stop it, and they stumble onto a gigantic conspiracy. Series premiere.