Beyond Temptation (Beyond Series #3.5)

Hacker Noah Lennox lives in the shadows, fighting a one-man war against the corrupt leader of Sector Five. The only weak spot in his armor is his best friend's sweet younger sister--the girl he swore to save, even from himself. With her brother dead and a target on their backs, getting her out of the sector--and out of danger--meant giving her up for good. Or so he thought. Emma Cibulski has made her own home in Sector Four, as a full member of the O'Kane gang and apprentice to their infamo...