Hye-yeong had no idea that her lover, Shin-ho, was a married man until Shin-ho's wife and children arrive in town. She leaves him but reappears 8 years later asking him to take responsibilty for their child.
Hye-yeong reclaims her son from the boy's father and moves back to Seoul where she starts a business with money that she believes came from her brother. It is, in fact, from Shin-ho--her ex-lover. Shin-ho is driven to backruptcy because of his generousity and his wife pleads with Hye-yeong to leave Seoul for the sake of her husband's piece of mind.
Yeong-shin, the son of Shin-ho and Hye-yeong, cannot stop thinking about his mother who left him in his father's care while she went to work in Japan. Meanwhile, his father's business is failing and he finds it increasingly difficult to support his family.
Hye-yeong, now a financial success, returns from Germany to visit Shin-ho and his wife. She finds them in anguish over their son, Yeong-gyu, who was crippled in a recent fall. Hye-yeong pleads with the stubborn parents to allow her to take the boy to Germany for surgery.
Kindergarten teacher Jeon Hye-yeong brings her son to the child's father, Shin-ho, to be raised. However, the child is unhappy with his father's family and dreams about living with his mother causing Shin-ho's growing frustration with the boy to turn to violence.
Shin-ho wants to visit his son but Hye-yeong refuses to allow them to meet due to his past treatment of the boy. Hye-yeong feels that it is time to put the past behind her and, leaving her son in the care of a friend, she leaves Korea with a new lover.
Soo-Jung (Lee Seung-Yeon) has a bright and honest personality. She is loved by many people. Soo-Jung works as a magazine photographer. When Soo-Jung gets tired of work and life in general, she goes to her friend Young-Ha's (Park Yong-Ha) workroom. Although she always shows others her bright side, she confides to Young-Ha about her sadness and loneliness. Yong-Ha wants to embrace her pain, but there is a wall between them. Soo-Jung again faces a difficult situation. She then meets Ji-Hwan (Lee Kyoung-Young).
