The first time Hanbi visits an aquarium, she is mesmerized by the whale’s deep sense of yearning and sorrow. 10 years later, when she feels a similar intense connection to Sunwoo, she believes him to be the human form of that special whale. Smitten with love and pregnant with Sunwoo’s child, Hanbi wants to make things official. Only, Sunwoo has no intention of settling down. Why would he, when there are other fish in the sea?