One summer afternoon, all the ocean friends gather to chat about a very 'special' fashion trend recently popular in the sea. Mr. Turtle shows off a brand logo on his shell—everyone sees it's a nameplate engraved with the Chinese characters for 'cool and refreshing,' looking special and stylish like a new badge. Miss Seahorse also brought back a plastic collar on her trip to land this year, glittering dazzlingly in the sunlight. Mrs. Hermit Crab moved to a new home, and her new doorplate reads 'diet tea.' The ocean friends wearing nameplates were the envy of all—but before long, one by one, those wearing nameplates fell ill. It turned out the nameplates were human-made trash, and this sea was sick! While Super Wings Xiaoqing was on a mission, she discovered a large area of bleached coral reef...!