Sungjae is a diligent, clean-cut doctor who has lingering feelings for his first love from high school. SungJae always finds Sa-in reappearing in his dreams just as his memories of him are about to fade. Then for the first time in 11 years, he shows up again in Sungjae’s life. However, Sain’s playfulness makes it hard to tell if he also has genuine feelings for Sungjae. Will this atypical encounter unfurl into romance?