Darrow is a Red mining on Mars for the future of humanity. But when his wife sacrifices herself his worldview is shattered as he realises his people are slaves to the grandeur and luxury of the already-built Gold empire on Mars and beyond. The resistance movement saves his life then channel his anger to turn him into a Gold, sending him to the illustrious Institute which turns out to contain a year-long bloody battle of the Roman god inspired Houses, with the mandate to overthrow the system.
Though many (okay, most) elements of the world set-up and plot are familiar this book is gripping, pacy and thrilling as it races through a big, emotion and action-packed plot stuffed with intense characters, intriguing situations and a multi-layered world. I dashed through it in just two days.