The Real and Fake Mermaids tells an ancient legendary tale. Long ago, in an underwater kingdom, a witch switched her own daughter with the little princess of the Mermaid Queen. From that moment on, the real mermaid princess was left to wander the world, enduring hardship and loneliness, while the witch's daughter lived in a magnificent underwater palace as a princess admired by everyone. The two girls grew up in completely different environments. It was not until they turned 18 and finally met that they discovered each other's true identities! One was the real princess who had endured countless hardships, while the other was a false princess who enjoyed wealth and luxury despite her hidden identity. What extraordinary stories will unfold after eighteen years of exchanged lives? Watch the video to find out!