The rivalry between two experienced hoteliers sparks in the Hotel of Seoul when former Head Manager Han Tai-Jun (Kim Seung-Woo) who has returned from the States to restore his position in the Hotel confronts Shin Dong-Hyuk (Bae Yong-Joon), an expert in mergers and acquisitions. While regaining the lost splendor of the Hotel, the two career-minded hoteliers not only fall into a power struggle, but also into love tangles with Seo Jin-Young (Song Yoon-A) and Kim Yun-Hee (Song Hye-Kyo).
After the sudden death of Seoul Hotel, Chairman Choi, customer service manager Seo Jin-Young goes to the US to ask former top hotel staff Han Tai-Jun to take over all hotel operations. Tai-Jun accepts but unexpectedly stumbles into hotel acquisition expert Shin Dong-Hyuk, who is hired by Enterpriser Kim to help take over the hotel.
Dong-Hyuk and Tai-Jun are not only rivals for the hotel, they are both in love with Jin-Young. Dong-Hyuk is head over heels in love with Jin-Young, while Tai-Jun's heart has always been with his ex-love and colleague. Jin-Young herself has mixed feelings about this romantic triangle. Things become more complicated when the wealthy Kim Yun-Hee falls in love with Tai-Jun.
What will be their ultimate desire? Love? Career?
Shin Dong-Hyuk (Bae Yong-Joon)
Shin Dong-Hyuk (Bae Yong-Joon) is a mergers and acquisitions expert in the hotel industry. He is in his early thirties. On the outside he seems to be a strict and practical businessman, but on the inside he fights to hide his loneliness. He tries to get information about the Seoul Hotel by pretending to be one of its guests. However, his attitude abruptly changes after he falls for Jin-Young who works for the Seoul Hotel.
Seo Jin-Young (Song Yoon-A)
Seo Jin-Young (Song Yoon-A) is the customer service manager of the Seoul Hotel in her mid-twenties. She often gets herself involved in unpredictable situations between the guests and other members of the hotel staff. She tends to be too emotional in love affairs. Jin-Young is the one who goes to Las Vegas to find Tai-Jun in order to save the hotel. However, Dong-Hyuk saves her from trouble when she is left alone in the desert. The two meet again later in the Seoul Hotel, which stirs up a romantic triangle.
Han Tai-Jun (Kim Seung-Woo)
Han Tai-Jun (Kim Seung-Woo) is the vice executive manager of the Seoul Hotel in his early thirties. He always stands on the side of justice. Due to a notorious scandal, he decides to leave the hotel and goes to Las Vegas. But when he hears that no one is able to take care of the hotel after the sudden death of Chairman Choi, he comes back and accepts the role of General Manager. He considers Jin-Young to be more than just a good friend and is hurt to see her falling for Dong-Hyuk.
Kim Yun-Hee (Song Hye-Kyo)
Kim Yun-Hee (Song Hye-Kyo) is a college student in her early twenties. She is the only daughter of Enterpriser Kim, who plans to take possession of the Seoul Hotel. She comes from a wealthy background, but learns firsthand about the heartaches and difficulties of life after she falls in love. Her father wants her to marry Dong-Hyuk, but she is in love with Tai-Jun. Sadly, Tai-Jun is not interested in someone so young.