In a dystopian metropolis plagued by disasters and a vast wealth gap, identifying those with cybernetic body parts is a daunting task, adding to the challenges of Renegade bounty hunter/bodyguard-for-hire, Roy Revant. A chance encounter with a fiercely powerful young girl battling a dangerous criminal leads Roy to believe that unexpected allies may be found in the most unlikely places. With a small group of allies, they embark on a quest to uncover the truth about the colossal business conglomerates pledging to serve humanity and enhance life. Solty, an android suffering from amnesia, finds herself hunted by the RUC Security Bureau. It's not long until she crosses paths with Roy, hired to protect Miranda. He takes Solty under his wing and adopts her as his own daughter.