aRmiLy'S cOoL WeBpAgE

Han Seung-wan (Kim Jae Won) left for a trip for Singapore to surprise his girlfriend. Jung Se-jin (Eugene) went to Singapore to say goodbye to her deceased first love. Both of them meet in the airport and accidentally swapped passports. When Se-jin would not give his passport back, Seung-wan takes Se-jin's luggages and leaves. Se-jin walked many miles to an address in Seung-wan's passport and came face to face with Seung-wan's girlfriend's second boyfriend - Do-hyun. When Seung-wan found out about the truth, he and Se-jin started drinking and ended up in Seung-wan's hotel because Se-jin had nowhere to go. One thing led to another... they agreed never to speak of their one-night stand. Little did Se-jin know that she was pregnant with his baby. Because she was catholic, her morals led her against an abortion and she had a baby girl. Se-jin's sister took care of the baby when Se-jin went to school and one day she couldn't take it anymore and took the baby to Seung-wan's father's 50th birthday celebration. At that time, Chae-Young was with Seung-wan because Do-Hyun dumped her when he found out she was two-timing. Everyone shocked by the news, Seung-wan's parents forced Seung-wan and Se-jin to get married. They decided to sign a contract to be married for only a certain number of years. Many funny baby raising stories follow, and Do-Hyun falls for Se-jin's determination and kindness. Bad news soon follow when the baby gets leukimia. Will the young parents pull through and save the baby?