Luna and Fowler have escaped the kingdom of Relhok, but they haven’t escaped the darkness. When a battle against the dark dwellers mortally injures Fowler, Luna is faced with a choice: put their fate in the hands of mysterious strangers or risk losing Fowler forever. Desperate to keep the one bright part of her life alive, Luna accepts the help of soldiers from a nearby kingdom. Lagonia’s castle offers reprieve from the dangerous outside world --- until the King discovers both Fowler and Luna’s true ties to Relhok and their influence over the throne.
Seventeen years ago, an eclipse cloaked the kingdom of Relhok in perpetual darkness. In the chaos, an evil chancellor murdered the king and queen and seized their throne. Luna, Relhok's lost princess, has been hiding in a tower ever since. Luna's survival depends on the world believing she is dead. But when she meets Fowler, a mysterious archer braving the woods outside her tower, Luna is drawn to him despite the risk.
Davy had everything --- a terrific boyfriend, the homecoming crown, a bright future at Juilliard --- but when her genetic tests brand her as a killer, she loses it all. Uninvited from her prestigious school and avoided by her friends and family, she is placed in a special class with other "carriers" who are treated like the murderers they someday might become.