For a monthly salary of 50,000 yuan, Su Chen boards a mysterious isolated island and becomes its guardian. His job also requires him to collect a unique black-gold fruit found only on the island. However, during the harvesting process, he encounters all kinds of talking, magically evolved animals trying to stop him, including crocodiles, lobsters, and black carp. What he doesn't know is that after eliminating these creatures, his own strength is gradually growing stronger. By the day he finally leaves the island, the world has lost an island guardian but gained an SSS-ranked, world-destroying powerhouse.