Medical representative Chen Sixiang was drugged by his most trusted subordinate and woke up lying on the operating table of a black clinic in Bangkok - he became her.
Relying on her photographic memory and dog-like sense of smell, she can tell where the medicine is coming from as soon as she smells it, and can pull people back from hell with one injection.
When everyone thought that this "wasted" salesperson had long since disappeared, she was climbing up the ranks step by step in Bangkok's underground medical circle.
