An accident while investigating a time portal sends Ensign Brad Boimler through time from the twenty-fourth century, and Captain Pike and his crew must get him back where he belongs…

Miller gains valuable information from a hidden data cube. Holden and his crew learn their host’s agenda.

Holden finds an unlikely ally. Miller’s obsession with Mao intensifies.

Holden and crew find themselves in the middle of a desperate battle while still aboard the Martian battleship. Miller’s partner, Havelock, goes missing.

Holden and the crew are taken prisoner by the Martian Congressional Republic Navy. Miller deals with unhappy rioters. Avasarala plays politics and gets severely burned.