Trailer for Architecture 101.
35-year-old architect Seung-Min receives a visit at his office from a woman. Seung-Min doesn't recognize the woman at first, but then realizes she is Seo-Yeon, his first love, who he hasn’t seen since his freshman year in college. Seo-Yeon now has a request. She wants to hire Seung-Min to rebuild her home on Jeju Island.
Cut to 15 years ago, Seung-Min is a naive young man beginning his architecture studies in college. He first meets Seo-Yeon in his Architecture 101 class. As they work on a class project together, Seung-Min and Seo-Yeon begin to fall in love. Back in the present day, Seung-Min is hesitant to take Seo-Yeon's job offer. However, she persists and even goes to his boss with her wish. Seung-Min now has no choice, but to take on Seo-Yeon's home project. As the two go through the pains of finishing Seo-yeun’s house, they are whisked back to the past, stirring old memories and perhaps new feelings...