An unknown advanced species in distant outer space gave birth to a child for the purpose of research. Due to the limitation of the number of people in the spacecraft, they had no choice but to abandon the baby girl with the worst genes, who was no different from a human being except for the ability to isolate all foreign bacteria, and left the earth.
Twenty years later, Lin Hanyang, the heir to an Internet giant who suffered from severe mysophobia, accidentally discovered that there was a woman who could magically create an absolutely clean environment. From then on, he embarked on a pursuit that was inconsistent with his personality.