This film mainly tells the story of teacher A Zhi (Ekin Cheng), who was afraid of water when he was a child. He was rescued by the mermaid Xiaomei (Christy Chung), but the pearl in Xiaomei was swallowed by A Zhi by mistake. Xiaomei, who lost her pearl, couldn't return to the sea, so she pretended to be a student and entered A Zhi's school, hoping to get the pearl back. Unexpectedly, although A Zhi was frightened when he learned the secret, he started a beautiful mermaid love with Xiaomei. Paper can't hold fire. The headmaster (Zheng Zeshi) finally knows Xiaomei's secret and decides to catch Xiaomei. Although Archie tried to save May, their relationship was challenged again.
The film is creative, unforgettable and irresistible. The meeting between Xiaomei and A Zhi is full of coincidence, mystery and poetry. Christy Chung's graceful figure makes the mermaid sexy and breathless. The orange fishtail is dazzling, the painting style is dreamlike, and it is quite beautiful and romantic.