Architecture 101 is a romantic drama that explores the complexities of love and nostalgia through the lens of architecture. The film follows a young architecture student, Seo-yeon, who reunites with her first love, a fellow student named Sang-woo, after 15 years. As they work together on a project, memories of their shared past come flooding back, revealing the bittersweet nature of their relationship and the impact of time on their dreams and aspirations. The movie beautifully interweaves themes of love, regret, and the pursuit of one’s passions, all set against the backdrop of stunning architectural designs.