Celebrity guests are split into two teams to compete in various contests. One guest, known only to himself, is designated the "X-Man", and does his best to cause his team to lose the contests. At the end, all guests try to determine the X-Man's identity.

As the chairman of GD Motors, Han Gi-Ju is a divorced man working in Paris. He takes Gang Tae-Young, who is working as a housekeeper at his home, as his date to a business party. She is a poor international student who is chasing her father's dream of studying in Paris. Han Gi-ju's nephew, Yu Soo-Hyeok meets Tae-Young by chance, and falls for her. Tae-Young ends up returning to Seoul, soon after, Gi-Ju and Soo-Hyeok also return to Seoul separately. Tae-Young asks Gi-Ju for a job and in time, the two fall in love. Gi-Ju's father tries to force his son to marry Moon Yun-A (Oh Joo-Eun) the daughter of an influential politician and she exhausts every means to make this happen. As the family secret involving Gi-Ju's and Soo-Hyeok is disclosed, the relationship between Tae-Young and Gi-Ju is in crisis.

Jae Hee, a diplomat in Prague, who is getting over a break-up, meets police detective Sang Hyun and romance blossoms. Jae Hee is the daughter of the Korean President and has to maintain a low profile. Jae Hee's ex, Young Woo and Sang Hyun's ex, Hye Joo make things complicated with secrets surrounding them. With the differences in social status, Jae Hee and Sang Hyun have to fight to see if the love that started in Prague can be overcome from what is trying to keep them apart.

Song Kyung-rin is a fashion designer but after Jo Won Joon refusal of being her model, she have a taste of being a model and decided to become a model. Lee Jung just returned to Korea from America and he have an interest in modeling. Through fate, Lee Jung help out Kyung-rin and they fall in love. But behind Lee Jung returning to Korea there is a big, deep, dark secret and a plan for revenge

《태양의 남쪽》은 SBS에서 2003년 8월 30일부터 2003년 10월 19일까지 매주 토,일 밤 20시 50분에 방영되었던 드라마이다.