Cha Kang Jin is the son of barmaid, Cha Chun Hee. His life is difficult as he gets into fights and has to watch other people push his mother around yet he can't do anything to stop it. He meets Han Ji Wan when they were teens but they weren't able to continue their relationship as Ji Wan ran away after her older brother's death. He meets Ji Wan 8 years later when he's attending her engagement ceremony to Park Tae Joon. However, he is heartbroken as Ji Wan pretends to not remember him at all.

Want to marry a millionaire? Add one 'Average Joe', be one of eight women selected, and money from the television network station and you can.

Han Eun-young works as a clerk at a bank, trying to pay off the debts her step-mother and sister have piled on her. Kim Young-hoon is your regular, 'Average Joe', worker. He provides for his father, his older brother and his wife, as well as his younger brother.One day, PD Yoo Jin-ha is asked to take over the project, "Marry a Millionaire". Reluctantly, he agrees to handle the project. His search begins for the perfect man to play the 'millionaire'. His goal is to use a man who is an average worker, but can pull off the facade of a millionaire. Kim Young-hoon is that man. Although he works hard for a living, there are many who can easily mistake him for a rich guy.By chance, Eun-young is selected to be a particpant in the TV show. Although the women are not supposed to know that this millionaire of their's is just a regular worker, Eun-young knows his true identity.How?Simple. Young-hoon was her first love. After many years, they meet up again at a party. Although she didn't recognize him at first, she realized it was the young boy she had fallen in love with back in middle school. Although she says she made a mistake in liking him, being in the show with him is bringing up warm feelings once again.

Marrying a Millionaire is based on the US reality television show, Joe Millionaire.

Lee Jung-Hyun (Go Su) is accused for murdering Oh Soo-Ah's (Lee Da Hae) father. He runs away and becomes a fugitive. Later, he returns and seeks out revenge. Oh Soo-Ah who is the successor of the enterprise "First Electronic" falls in love with Lee Jung-Hyun.

Tae Seok, Ji Yoon and Min Soo were best friends in high school. Tae Seok is a son of divorced parents are secretly in love with Ji Yoon when he knows Min Soo also have a feeling for Ji Yoon, but Ji Yoon do not have a feeling toward Min Soo. When Min Soo saw them kissing, he attemt suicide infront of them, leaving Ji Yoon’s and Tae Seok’s felt like they betrayed him.

7 years passes, Tae Seok is a CF producer and he is sober anymore unlike he was a student who wanders around and makes troubles. He has a new best friend named Dong Hwa. Accidentally, the woman Dong Hwa wants to marry is Ji Yoon, who was the first love of Tae Seok. Fate just played Tae Seok when he met Ji Yoon as his best friend’s girlfriend. Fate also played Tae Seok that the woman who loves him but whom he calls as friend is Min Soo’s sister. Tae Seok will make a decision between them, but he doesn’t want to make the same mistake he did 7 years ago.

But when Dong Hwa discovered Ji Yoon’s and Tae Seok’s past from Min Soo’s sister who told the relationships of her brother and them and Ji Yoon still loves Tae Seok after they met each other, best friend, Dong-hwa, was betrayed like in the past.

Were they happy? And were their lives beautiful?After the death of his mom, Ji-hoon (Go Soo) moves into the home of Mr. Suh. Ji-hoon falls in love at first sight with Mr. Suh's daughter, In-hye (Park Jung-ah). Ji-hoon also becomes good friends with Suk-hyun (Bae Su-bin) But one day, In-hye decides to leave home for Seoul to pursue her dream of becoming an accomplished cellist, without telling Ji-hoon. Suk-hyun also decides to move to Seoul after he learns that he is the love child of President Kang, a wealthy hotel magnate.When Ji-hoon finds out that In-hye left for Seoul without even saying goodbye, he finds his way to Seoul to find her. One day, while Ji-hoon is riding the subway, Jung-woo (Park Ye-jin) takes a liking to him and decides to steal his wallet to get his attention. Through this incident, Ji-hoon gets to know Jung-woo and settles down in Seoul by enrolling in the same bodyguard school that Jung-woo is attending. The bodyguard training school finds a part-time job for Ji-hoon and Jung-woo, which is an assignment to guard President Kang for one day. Ji-hoon protects President Kang at an evening party hosted by Kang himself, and by coincidence, he also meets In-hye and Suk-hyun. The fates of four young people become hopelessly intertwined after this fateful meeting.