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

Tensions on Earth and Mars come to a head.

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

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

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.