Radiant Shadows is an Urban fantasy novel by Melissa Marr. It is set in the same universe as Marr's previous YA novels, but is not a sequel to Fragile Eternity; rather, it is a companion novel like Ink Exchange was, focusing on a different set of characters.
The prologue of Radiant Shadows shows Devlin, the high court's Assassin, agreeing to shelter a spectral girl name Rae in faerie without his queen's knowledge. It then skips forward about a century, to show the high queen, Sorcha, ordering Devlin to kill a baby halfling, the child of the Gabriel, along with a warning that it should "never enter faerie".
The novel then cuts to the present day, to Ani, the halfling whose life Devlin spared, as she tries to fit in with the other hounds, but cannot, due to her father's protectiveness and her mortal blood. Devlin, meanwhile, has been told by Sorcha to stay in the mortal world to keep an eye on her son, Seth. Devlin and Ani meet at the crows nest, where she drains his energy and he leaves with a taste of her blood.
Ani is different from other hounds, due to her ability to feed on both emotions and touch, and mortal and faery. Irial, the former dark king, has been performing tests to