The clock ticks as Maria’s broadcast continues. Sonya searches for the girl’s location. Against protocol, Marco works a unique ransom angle. A powerful Juarez force crosses the border.

An emergency alert of an impending missile attack sends Los Angeles into chaos and uncertainty, while the officers each try to keep the peace and deal with their own disasters.

When a prison bus crashes, all units must respond as some inmates face severe injuries while others seek an opportunity to flee. In the wake of the accident, Officer Nolan…

A derelict vessel holds a potentially devastating secret. Holden and his crew cross paths with Miller on Eros. Avasarala receives bad news.

Holden and his crew face a Martian military blockade. Miller finds a new reason to forge ahead. Avasarala visits Holden’s family.