In a future where humanity is divided by a color-coded caste system, Darrow is a Red miner who believes he's helping to terraform Mars for future generations. After a devastating betrayal reveals that Reds are slaves and Mars has been inhabited for centuries, Darrow undergoes a painful transformation to infiltrate the ruling Gold caste. He enters the brutal Institute, a proving ground where Gold youth compete in a deadly game of conquest and strategy, determined to tear down the Society from within.