Kim Su-min, an orphan from the countryside, moves to Seoul and struggles financially. He works odd jobs, including at a factory and as a substitute driver. One night, he picks up a wealthy passenger, Lee Jae-min, who immediately shows interest in him. Su-min resists at first, but they eventually begin a secret, intense relationship. However, their different social standings, family pressures, and Jae-min's impending arranged marriage push the story toward a shocking, violent climax — followed by a hauntingly hopeful ending.

Lan hesitated. She hadn’t taken a serious job since her mother’s death. But the title — No Regret — felt like a dare.

chính là câu trả lời. Không chỉ là một bộ phim BL đời đầu, đây còn là câu chuyện về sự phân biệt giai cấp, nỗi cô đơn và những hy sinh cay đắng trong tình yêu.