Long unemployed, IlDo, played by Park Joong-hoon, lands a job at a factory that makes skirts. IlDo and his family move to be closer to his workplace, in Umukbaemi, on the outskirts between Seoul and Gyeonggi Province. At the factory, chemistry develops between IlDo and GongRye, a colleague sitting next to him. Having long suffered from her husband's abusive violence, GongRye is also attracted to the warmth of IlDo.
On his first payday, the two decide to go on an overnight train trip. They spend a night together in Seoul. After they come back, they continue their secret, passionate love affair in Umukbaemi. Once their romance is revealed, the two choose to leave town, heading for Seoul to live together. Upset by jealousy and by his betrayal, IlDo's wife, played by Yoo Hye-ri, after many attempts and many struggles, finds out where they live. As she drags him back home, IlDo and GongRye become separated. GongRye makes up her mind that she will give up everything. GongRye meets IlDo to say goodbye.