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사운드트랙 #1
Longtime friends walk the line between love and friendship while making music.
Han Sun-woo is a rookie photographer. He doesn't talk much, but he is a kind and warm-hearted man. He is friends with Lee Eun-soo. They have been close friends for 20 years. Meanwhile, Lee Eun-soo works as a lyricist to make living. She has an honest and bright personality. Due to a reason, Han Sun-woo and Lee Eun-soo begin to live together at the same house for 2 weeks. Staying together, their relationship develops romantically.
Eunsoo is asked to write lyrics by a famous composer. She asks Sunwoo, to help her with the work while living at her house.
Sunwoo and Eunsoo get awkward with sudden touch and then get along as usual as if nothing had happened.
Eunsoo is confused after learning about Sunwoo's mind. Meanwhile, Wooil confesses his feelings for Eunsoo and asks to get to know her slowly.
After Sunwoo leaves, Eunsoo spends her daily life writing lyrics. However, she feels empty because she can't share this with Sunwoo.
