After a vicious coup, cyborg Axton Saros, Prime of the planet of Centax, is trying to rebuild his world. Still recovering from his captivity and dark guilt, he won't let anything get in his way. But a priceless artifact, stolen during the attack, is still missing and Axton wants it back. What he doesn't want is the emotionless and infuriating Centax Security cyborg, Commander Xenia Alexander, heading the investigation.Everybody knows CenSecs are the galaxy's deadliest killers. So enhanced that their emotions are dampened to nothing. But Xenia's been keeping a secret her entire life—her systems don't work and she feels. Working with Axton to find the Codex Da Vinci, he makes every emotion in her flare to brilliant life, but to be the perfect CenSec, she must not succumb.As they follow a trail of clues and booby traps, Axton vows to do everything he can to show his beautiful cyborg the pleasure she's never experienced. Even if she fights him every step of the way. But as the hunt takes a deadly turn, their desire might be the only thing that can save Xenia from annihilation.