lisa helen(female lead character)is a college teen girl very cute, naughty and 19 years old girl and she loves to hang out with her friends. once she went to trip with her friends and meet the park chang (male lead character)a vampire soul who got separated from his body and wandering about 200 years as soul and no one can see him except lisa. During climbing of hill with her friends she slipped her leg and started to fall but park chang appeared and with help of his abilities saved lisa and asked her to help him but lisa got scared of him ,refused and run away from him. will lisa help park chang to get back to his body or will she run away from him because of her fear?

Male lead is a Merman who came from ocean to land to search for a human girl with whom he fell in love at first sight and also he was the one who saved her from drowning into water. will they again meet ? can the girl accept him knowing his identity as merman? will they both meet their destiny love?