In a world where every person is bound to a spirit beast, 16-year-old Masha discovers a heart-wrenching truth about her connection to Reid, the handsome spirit beast healer. As the noble Count Axel competes for her affection, Masha must confront love, betrayal, and the revelation that her spirit beast might be more than she ever imagined. Amidst a battle with the church and a web of lies, Masha navigates loyalty and heartbreak in this poignant tale of sacrifice, identity, and forbidden love.