On launch day, Vista CEO Laz Ingram and the Providence crew count down for the first manned mission to Mars. Former mission commander Tom Hagerty watches from home. After a difficult day he is confronted by an unexpected visitor.
With the mission in danger of being shut down, the Vista team travels to Washington to testify before Congress. Meanwhile, the Castillo family pursues their lawsuit against Vista. Tom and his daughter Denise work to repair their relationship.
Kayla and Tom find themselves at odds when faced with a difficult decision. A problem arises with the Mars Ascent Vehicle (MAV) that may jeopardize the crew's safety. Aiko hosts a dinner party to celebrate Sadie and Ollie's wedding anniversary.