Da-rim is the youngest child of a family that runs a laundry shop. She has a vibrant character, but she was diagnosed with a rare eye disease at 14 years old that would slowly narrow her vision. Time goes by, and Da-rim slowly begins to lose her vision. She attempts to do everything she can before she can't see anymore, like reading all the books and movies in the world and even more. Right before Da-rim loses her sight completely, Gang-ju, a college alumnus and the son of a conglomerate family, shows up before her. Their relationship becomes twisted due to a careless slip of the tongue, and Gang-ju becomes a hated man due to an unexpected accident. One day, her family learns that she can regain her vision with an expensive surgery they could never afford. However, her grandmother Ahn Gil-rye finds something unfathomable in the hills while picking wild herbs. Could this be something that lets Da-rim see the world again?