Joy, abandoned, is saved by Lord Regent Alaric Vance. Her 'lucky star' constitution reveals ability to revive plants, alleviating Alaric's leg ailment. Joy melts hearts in the Vance household. She helps the family resolve a medicine crisis, expose a traitor, and helps Alaric and Old Madam. As abilities grow, her origins' mystery unveils. Recognized by Alaric Vance, father and daughter protect their family in a turbulent world.