She was once a huge spaceship and controlled thousands of soldiers who served the invincible Radch Empire, which conquered the entire galaxy. However, an insidious betrayal deprived her of everything. Now, nineteen years later, she is simply Brack, a lonely wanderer, possessed of a fragile human body and driven by an overwhelming desire for revenge. Traveling to a distant snowy planet in search of a weapon for her revenge, Brack unexpectedly meets a man she knew a thousand years ago. She saves him from death and takes him with her, but perhaps this is a big mistake...