The Alengiana are a race of angel-like extraterrestrials with the ability to alter matter around them... and until recently their empire was unaware that Earth existed at all. Meet Gadrien Dihalo. At seventeen, his life is ordinary: he goes to a very Human high school and lives with his super-genius sister and two Alengian dads. Despite being a Nephilim - a half-Human, half-Alengiana hybrid - Gadrien never thought that he'd inherited anything extraterrestrial... but things for him have started changing in more ways than one. After a self-exiled Alengian crashes on the US East Coast, the race is on in deliver him to the alien-lead resistance on Earth. But with the US Government and the mysterious and super-powered Indigo Corporation hot on their trails, can Gadrien help save the world while handling his non-Human heritage?