Seo Ji-Soo (Seo Eun-Su) chases Sun Woo-Hyuk (Lee Tae-Hwan) here in episode 1 of My Golden Life (황금빛 내 인생) (KBS2, 2017). They pass a couple of times by restaurant 국대떡볶이 삼청점 which is located very close to MADANG Flower Shop.
Yolgok-ro 3-gil [율곡로3길] is a major street within the neighborhood of Anguk-dong [안국동], itself part of Samcheong-dong [삼청동], Jongno-gu, Seoul. It is filled with restaurants and little shops.
Geolocation: 37.578894, 126.982148
To get here: Anguk Station [안국역], Line 1, Exit 6