After the death of the earth botanist heroine, a wasted girl traveled to a fantasy world and discovered that the world was full of unspeakable pollution. She unexpectedly received a golden finger that could see "pollution values", and relied on the scientific thinking of her previous life to study all kinds of weird things as experimental specimens. When she used scientific methods to contain the first strange creature, the entire world's system of cultivating immortals began to collapse - because the essence of cultivating immortals is a process of pollution and mutation.
