Choi Taeyeon is an amibitious person who fights to help her family and her two sick sisters , she had got an angel voice that may help her .

                                                                                                                                                                                                                   Lee Tiffany is a rich girl that lives in America but decided to come to korea , she's a really nice , cheerful and sympathetic .

                                                                                                                                                                                   Kim Yunho has a cold appearance but a warm heart , lived his entire life alone with no parents made him  stay away of serious relatoinships .                                                                                                                                                                                                                               Ok taecyeon has been living in America for about 10 year now , so he decided to come back to Korea , he's a really funny guy and a sportive one .