Hao Ren, an ordinary university student, rescues a little girl who falls from the sky. By chance, he swallows a “candy” that came with her, unknowingly becoming the Dragon King’s son-in-law. His life takes an unexpected turn as he discovers a hidden world where dragons live alongside humans. Ancient Chinese mythologies prove to be real, and Hao Ren’s simple life becomes anything but ordinary. As the Dragon King’s son-in-law, he expects a peaceful existence, but soon finds himself caught in a web of conspiracies and dangerous plots.His adventure in the supernatural world unfolds with mysteries, challenges, and unexpected twists.