The novel is a cyberpunk story set in a post-apocalyptic future where a female protagonist, a brilliant cybernetic engineer, is tasked with training a highly advanced cyborg designed for combat. As she spends time with the cyborg, she begins to see his human-like qualities and eventually falls in love with him. The narrative is interwoven with a parallel story set in 1600s Prague about a rabbi who creates a golem to protect the Jewish community. The two storylines explore themes of artificial intelligence, what it means to be human, and the ethical implications of creating life.

In a futuristic world where humans coexist with androids, a gifted mechanic named Cinder navigates life in New Beijing, harboring a secret that she is a cyborg. Her life takes a dramatic turn when she becomes entangled with the charming Prince Kai and discovers her connection to a deadly plague ravaging the population. As political tensions rise with the looming threat of the Lunar Queen, Cinder must confront her mysterious past and embrace her unique abilities to protect those she loves and uncover the truth about her identity.

The novel explores the transformation of an astronaut into a cyborg, designed to survive the harsh environment of Mars as part of a desperate effort to expand human colonization beyond Earth. The protagonist undergoes a series of radical surgeries and mechanical implants that challenge the very essence of his humanity. As political intrigues and personal crises unfold on Earth, the astronaut's new abilities are put to the test on the red planet, raising profound questions about the nature of human identity and the ethics of technological enhancement in the face of survival.