Things start to go awry just as an important mission approaches a critical juncture.

Tensions on Earth and Mars come to a head.

A group on Mars takes drastic measures. Margo grapples with a new assignment.

Plans are made with interplanetary ramifications. Ed begins working with an unexpected partner.

Dorothy works with Veera to get Leanne out of the house, but Jericho and Leanne are more connected than they know.

Holden and Bill return to a perplexing case in Pennsylvania where a set of clues leading in multiple directions leaves no shortage of suspects.