Told from Mo Yuan's perspective, this novel recounts his experiences at Kunlun Mountain during the dawn of creation. As the Father God's legitimate son and a God of War, he takes on the duty of protecting the world and accepts many disciples. Si Yin disguises herself as a man to seek instruction. Mo Yuan knows the truth but never calls her out. From then on, her presence shines into his heart like a star. Si Yin's lively spirit and her passion for cultivating immortality and playing the qin gradually stir feelings in Mo Yuan as he teaches her. Their time together at Kunlun Mountain is filled with laughter and growth, while Mo Yuan struggles between his duty as a master and his private feelings, and tensions between the Celestial and Winged Clans loom like a shadow. Against the backdrop of a vast immortal world and intertwined, complicated destinies, where will their feelings lead? See how Mo Yuan chooses between duty and love, and faces the shifting tides of the world.