Seventy-Five Twenty-One - Season 1

Min-seok fails the entrance exam for Han Ye-jong High School of Arts and moves to Seoul alone, looking for a place to live! With little money, Min-seok wanders around real estate agents late into the night, and finally decides to visit one...

Ara returns to Korea from Germany after filming Danny Yoon, a world-renowned classical music idol, on her violin busking! Ara, who had been in love with Danny Yoon, is taken away by a younger colleague. She despairs and returns to her own studio apartment for the first time in a long time...

The studio apartment that Chun-shim gave Min-seok was actually Ara's! Ara worries about her grandmother living alone, and Chun-shim reassures her granddaughter and sends her back to her home...

Ara, trying to clear up a misunderstanding that arose between her and Minseok the day before, takes Minseok on a tour of Seocho. At work, Ara opens the Danny Yoon interview memory card, and finds a video of Chunsim inside...

Ara asks Minseok to play her favorite violin piece for Chunsim. But Minseok, who has lost confidence after failing the entrance exam to Han Ye-jong, hesitates. Ara comes up with a plan to restore Minseok's confidence...

Missing her husband and struggling with her own health, Chun-shim gradually grows weary. Ara and Min-seok, a video producer and violinist, respectively, gift Chun-shim a video of her playing the violin...