But Joon Jae’s friend, Cha Shi Ah, who works as a researcher at KAIST, may be Chung’s only hope for surviving in her strange new world.Shin Joon-young and Noh Eul were classmates who were separated during their teenage years due to an ill-fated relationship, but later meet each other in adulthood.How can a mermaid from the Joseon era survive in modern-day Seoul?Shim Chung is a mermaid who finds herself transplanted to modern times.Through many encounters, Han-Gyul at first rejected So-Rim due to her age and due to the fact that they both don't know each other.However, with her beautiful voice and pure young heart, Han-Gyul falls in love with So-Rim.Her dream is to create a video game with herself as the main character.She desperately wants to become a willowy and elegant woman, which is the ideal type of her crush, In Guk-doo, a police officer.
the fearsome 4th Prince who hides his face behind a mask and is given the derogatory label "wolf dog." Meanwhile, rivalry and politics ensue among the princes, in a fight for the throne, as Hae Soo finds herself unwittingly caught between it all.
Under the help and training from Min-hyuk, she manages to control her strength to use it for good causes.
Min-hyuk and Bong-soon find themselves and their relationship growing into something more.
Finally Yoo-mi admits that she remembers the incident.
Jin-wook asks her the reason why she left him and she replies that it was just a one-night stand. She is very energetic and receives recognition for her work, but her only interest is in CEO Eun Hwan-Ki. So-Rim has fallen in love with Han-Gyul at first sight and has made up her mind to find him and confess to him.When she is accused of being Student X, her dream of going to university to study art is put at risk as she faces expulsion.