The deep-sea continent is divided by thousands of islands, and the currents are extremely dangerous. The young inventor Lucas, the exiled noble Anna, and the unlucky warm fisherman Fernando met in a sea accident. When a giant deep-sea monster appears and the mystery of the lost lighthouse emerges, various forces compete to pursue ancient technology. The three of them were involved in a turbulent mix of sea adventures, island survival, power struggles and suspense mysteries. It is humorous and dangerous, with multiple story lines intertwined. In the wave of decryption, struggle, growth and friendship, they finally change their destiny and rewrite the pattern of the entire sea area.