In order to inform his wife that their daughter Mi-Rae (Dana) will get married, Hae-Chang (Jeong Woong-In) calls his wife Soo-Young (Kim Bo-Kyung) overseas. She left him 24 years ago. Han-Chang runs a small dye factory.
Jin-Kook (Keon Il) is the fiance of Mi-Rae. His mother Do-Soon (Park Tam-Hee) calls his future father-in-law Han-Chang to have a meeting. When they meet at the agreed upon place, Do-Soon reveals a bombshell that she will not allow their marriage. During this time, Mi-Rae and Jin-Kook goes to a love motel. In the motel room, Mi-Rae learns that Jin-Kook used a free coupon for the motel room. This causes an argument between the couple. During the argument, the get a text message from Do-Soon asking to see them. Do-Soon then makes it clear to them that they cannot get married because Mi-Rae's parents.
In 1985, when the student movement was raging, Hae-Chang did not have a job and didn't have any goals in his life. Then, Hae-Chang was dragged away to the police station due to the police mistaking him for someone in the student movement. At the police station, he fell in love with Soo-Young on first sight, who was arguing with the police. Hae-Chang picked up a notebook dropped by Soo-Young.
Hae-Chang took a student ID from a a student who lives in the next room at the lodging house where he stayed. Hae-Chang then goes to Hankook University to return Soo-Young's notebook. On a whim, he lies that he is a student there majoring in management.
Meanwhile, Hae-Chang remembers that Do-Soon is the daughter of the loding house owner where he once lived. Hae-Chang meets Do-Soon again. Do-Soon asks about his breakup with his wife. Hae-Chang asks Do-Soon to keep it between them and then tells her that Soo-Young never came to see him or his daughter. Mi-Rae begins to investigate secretly...
In the countryside, at a Catholic Church, luxurious cars come rolling in. A wedding is set to take place between Ji Hong and Yu Ri. The couple met as music club members at their university. Their friends from their university days are all arriving, most of whom they haven't seen in 10 years.
Seung Ho is now a lawyer and married. Hyeong Woo is now a university professor who is persistently single. Kyeong Ho is now a PD at a television station. Seong Ju is now a businesswoman who brought along her boyfriend 12 years her junior. Min Hee has a stable family.
All of these friends are in the middle thirties. During the wedding, the friends notice that one person from their music club, Jeong Hee, is missing from the wedding. After the wedding, all the friends gather together at the vacation home operated by Ji Hong and Yu Ri. During the evening a young girl named Mi Rae appears at the vacation home. She informs the group that Yeong Hee was her mother and she died in a car accident one month ago. Furthermore, she tells everyone that she came here to meet her father. Tension, shock, and surprise then overtake the gathered friends as they recall their relationships with Yeong Hee.
Bo Eun is an ordinary high school girl who worries about SAT's and has a crush on her school's baseball team ace, named Jung Woo.
One day, Bo Eun's grandfather orders her to marry Sang Min. When they were very young, Bo Eun's and Sang Min's grandfathers had promised that they would become in-laws.
Despite their opposition, they are forced to marry because of the strong influence of Bo Eun's grandfather. Bo Eun's undercover married life begins: She pretends that she doesn't have a husband and starts dating Jung Woo. Bo Eun believes that she can manage both men and live a double life.
Everything goes smoothly until Sang Min visits Bo Eun's school as a student teacher.
