Preparations for the Earth/Mars peace conference tighten the tension on Erringwright.

Bobbie makes a decision that changes her life forever.

The search for Prax's daughter comes to a head. Admiral Souther's men plan for mutiny aboard the Agatha King

Holden sees past, present, and future. A ghost from Melba's past threatens her mission. Bobbie struggles to trust an old friend as she leads a group into unchartered territory.