Shirlee, whose real name is Rihannon, travels with her mysterious mentor, Cacey, until the queen's death reveals her true identity as heir to the throne. However, she is not the only "Rihannon" and must compete with other princesses of the same name to prove her legitimacy. The trials the aspirants face are dangerous and deadly. Shirlee will fight to survive and protect her friends, but she will discover betrayals that will jeopardize her hopes. Only one heir can remain.