Lanashia is the daughter of King Mactash- the MerKing ruler of Atlantis. She's a rebelled child who doesn't follow orders- something she learned from her passed mother. As things are flying high in her underwater kingdom her father marries to a new wife who she despises very much. Her stepmother is the one who comes up with the idea of her being married off to the Pacific Kingdom a neighboring ally to Atlantis. Going over the boundaries and going past the coral reef into the lonely battle grounds where mermaids are forbidden. Lanashia is taken captive on a pirate ship that set sails east. Henry Nicassilano the captain of the most feared group of pirates alive is captivated by the mermaids ingenious and persistence to him. Although every man on the ship wishes to end her life the moment they capture her- and for a short time so does he. He is convinced by his life-long friend to spare her life, which conceals his fate with hers.