Twelve years after someone close to him is ripped away, Lille Ou has become Dr. Ivan, a man with a flourishing medical career who has seemingly put his tragic past to rest. But the stability of his world is challenged when a gunslinging pretty boy barges into his home demanding first aid and a place to lie low. Despite the danger of it all, Dr. Ivan finds himself drawn to this ruthless fugitive with superhuman strength who miraculously transcends his one weakness: physical touch. As Dr. Ivan sets out to learn more about his mysterious intruder, he's dragged into a futuristic underworld of criminals, gangs, and AI technology. And little does he know that it just might help him uncover the truth about himself and the person he never stopped searching for.