Her childhood in a migrant worker family has left her uncomfortable with lingering in any one place, so she sticks around just long enough to replenish her funds before she moves on, her only constant companion Joanie, a fierce, energetic Raise hummingbird.Sal is a fully autonomous robot, the creation of which was declared illegal ages earlier due to ethical concerns. She is older than the law, however, at best out of place in society and at worst hated. Her old master is long dead, but she continues to run the tea shop her master had owned, lost in memories of the past, slowly breaking down, and aiming to fulfill her master's dream for the shop.When Clara stops by Sal's shop for lunch, she doesn't expect to find a real robot there, let alone one who might need her help. But as they begin to spend time together and learn more about each other, they both start to wrestle with the concept of moving on…

    But no one will admit that his death wasn't an accident—or that Mahit might be next to die, during a time of political instability in the highest echelons of the imperial court.Now, Mahit must discover who is behind the murder, rescue herself, and save her Station from Teixcalaan's unceasing expansion—all while navigating an alien culture that is all too seductive, engaging in intrigues of her own, and hiding a deadly technological secret—one that might spell the end of her Station and her way of life—or rescue it from annihilation.