Nia Imani claimed a title she doesn't deserve. Now she has to prove she earned it. As the self-appointed custodian of an ancient alien Relay, Nia has barely survived the first crisis. But the station's corrupted Enforcement Construct doesn't recognize her authority, Earth's government has sent a signal with something lethal buried inside it, and Sil - the Relay's ancient AI and her only companion - is beginning to question whether his growing attachment to a human is a gift or a fatal error in his code. When Sil initiates a self-destruct protocol to purge what he calls "emotional contamination," Nia faces an impossible choice: let him erase himself to protect the Relay, or fight to save a mind the universe never intended to have feelings. The answer will demand more than engineering. It will demand that Nia jack directly into the Relay's dataspace and confront the thing she fears most - the possibility that she isn't enough. And if she survives, what she finds at the Relay's core will make every problem she's faced so far look like a warm-up.
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