Lu Changyuan, once the fearsome Demon Venerable who shook the Xuanling Realm, grows weary of endless conflict. After being defeated and captured, he unexpectedly gets his wish and begins a working-class life as a servant in the Empress's bedchamber. Mastering the laws governing all things, he uses medicinal cuisine and soothing techniques to resolve the Empress's long-standing cold poison. His clear-minded nature and gentle approach gradually melt the cold-hearted Empress's defenses. When the Upper Realm brings pressure to bear, the Empress steadfastly protects him, undeterred by the world's criticism. Lu Changyuan, in turn, is willing to abandon all his cultivation to preserve peace by her side. The aloof Iceberg Empress dotes exclusively on this laid-back working Demon Venerable. Casting aside the barriers of their identities, the two shed the exhaustion of years of warfare and find their way to each other amid the warmth of everyday life, writing a heartwarming and healing xianxia romance.