
S01E01 Love Letter
Shin Sol-i isn't shy about her unrequited crush on Cha Heon, her next-door neighbor. One day, she gets an idea to write him the perfect love letter.
Heon's plans for his future don't align with what his mother wants. When Dae-sung's grandmother goes missing, Heon and Sol-i also look for her.
Love is as tough as it is sweet for a lovestruck teenager, whose relationship with her next-door neighbor transforms as they grow into adulthood.