On a remote, icy planet, the soldier known as Breq is drawing closer to completing her quest. Once, she was the Justice of Toren - a colossal starship with an artificial intelligence linking thousands of soldiers in the service of the Radch, the empire that conquered the galaxy. Now, an act of treachery has ripped it all away, leaving her with one fragile human body, unanswered questions, and a burning desire for vengeance.

Narrator confused by gendered language, she’s asexual/aromantic, cultures have different views of gender. Many human characters are dark-skinned

What if you once had thousands of bodies and near god-like technology at your disposal? And what if all of it were ripped away? The Lord of the Radch has given Breq command of the ship Mercy of Kalr and sent her to the only place she would have agreed to go -- to Athoek Station, where Lieutenant Awn's sister works in Horticulture. Athoek was annexed some six hundred years ago, and by now everyone is fully civilized -- or should be. But everything is not as tranquil as it appears. Old divisions are still troublesome, Athoek Station's AI is unhappy with the situation, and it looks like the alien Presger might have taken an interest in what's going on. With no guarantees that interest is benevolent.

Narrator only uses "she" as a pronoun. She's ace/aro and comes from a culture without gendered language or gender roles.