Some sea creatures have certain evolutionary advantages... When Clover and her friends stumble upon a secluded lagoon, they're surprised to see a pretty mermaid lounging on a rock. But upon closer inspection, the mermaid appears to be stimulating herself. When she catches the interlopers spying on her and attempts to flee, the trio says they mean no harm. After sharing some fresh grouper over a fire, the mermaid begins to tell the friends about her life in the sea. Before long, they're sharing more than private intimacies. But it's not until the mermaid takes them to her secluded atoll far out to sea that the friends begin to learn the full extent of her tribe's idyllic life. Replete with sexy mermen and other exotic creatures, the trio experience their most exciting adventure yet...