Min Soo is a 14-year-old boy who is engaged to a woman 7 years older than him. As he knows that the woman likes another man, he makes a wish so that he can protect his love. As the result of his wish, he becomes a 25-year-old man. Tae Ri is a well-educated woman who comes from a wealthy family. After being hurt by her first love, she doesn't believe in love anymore. But, as Min Soo suddenly appears before her, she starts to have feelings for him...

An ordinary college student, Lee Seol, finds out she's a princess. The grandson of Daehan Group, Park Hae Young, is put in charge of educating Seol on proper etiquette.

Lee Min Chul is the Korean male version of Paris Hilton. He meets an ambitious woman and marries her. One of her goals is to become the first lady of their nation. She grooms Min Chul into a successful corporate leader.

Lee Soo-jung (Ha Ji Won) is a travel agent who is seeking her good luck in Bali after a harsh and unforgiving childhood. She meets Jae-min (Jo In Sung), Kang In-wook (So Ji Sup), and Young-joo (Park Ye Jin) in Bali, three seemingly perfect people entangled in a triangle of love. When Lee Soo-jung finds herself back in Seoul, her desire for success leads her to seek Jae-min for a job, unwittingly setting off a course of events that further complicate the love triangle.

What Happened in Bali is a drama that reveals the inner materialistic desires of people. It reflects upon the sometimes ugly (but truthful) side of man where nothing matters more than money.

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.