Three years ago, during a raid to dismantle an illegal organization's experiments, the modified Shi Ran joined forces with the police to wipe out the criminal gang. But after spending more than a decade in a laboratory, she couldn't adapt to normal life. She had grown isolated and become accustomed to solitude. Then one day, a case brought someone into her world, and she fell for them. That person was like a ray of light, teaching her how to navigate the world, how to connect with others, and what romance could be. They became each other's support and kindled a special spark...