In this debut novel, Joanna Teale, a graduate student, meets a mysterious child named Ursa who claims to have been sent from the stars to witness five miracles. Joanna enlists the help of her neighbor, Gabriel Nash, to solve the mystery of the charming child. As they spend more time together, they begin to uncover secrets about Ursa's past and their own painful secrets. Their fates will be left to the stars as Ursa gets closer to her fifth miracle.