Season 1

Woo Su-bin, a new director, wins an award at an international film festival. During his acceptance speech, he thanks his first love for giving him a dream. After the festival, he visits Korea to meet his first love, Joo Yi-jae, who wanted to become a director but works as a reporter. During a conversation, Su-bin suggest they make a film together. However, Yi-jae firmly rejects the offer, revealing deep scars he left on her.

During their senior year of high school, Yi-jae is an aspiring amateur filmmaker. Su-bin also decides to become a director after helping Yi-jae and spending time with her. Although Yi-jae wins an award at a youth film festival, her family fails to show up. Only Su-bin is there to celebrate with her, and the two spend time together after the festival, promising to make movies together in the future. However, neither of their families supports their dreams. Many years later, Su-bin returns to Korea and reunites with Yi-jae, and the long-hidden secret behind their separation begins to unfold.