Yoon So-ra (Lee Cheong-ah): She is the owner of Sora Motel on the east coast, and has an insatiable desire for food. She is a helpless klutz, but she dreams of becoming a dolphin trainer somedady.
Jang Tae-poong (Lee Wan): He openly admits that he has no brains, but he is a bold fellow who always gets into trouble. He is deeply loyal to his friends and very protective towards the person he loves. One day, he meets a country girl who is full of curiosity.
Jang Tae-hyeon (Jeon Jin): He has excellent decision-making skills and a sharp wit. Moreover, he has a strong work ethic. All in all, he is the perfect man. He dates a woman with the right background to help him along the way in his ambitious career but somehow he falls in love with a rather unconventional girl.
Min Joo-hee (Actress Kang Jeong-hwa): She's pretty and too smart for her own good, which makes her an annoying person. She stays close friends with both Tae-hyeon and Tae-poong, but she eventually finds true love.