에피소드 13 - Mermaid's Secret The Fallen Captain's Substitute L

After her mermaid mother passes, 19-year-old Maren is humiliated by her crush’s wealthy girlfriend. Handsome dock mechanic Declan steps in to save her, only to discover Maren’s secret tail—and her striking link to the mermaid who saved his life years ago. As he guides her, fake lessons spark real desire, unraveling a deep-sea conspiracy.