"Acoustic" is an omnibus film story depicting these stories of love, hope, and music - all set within the Hongdae area of Seoul. A singer-songwriter named Se Kyung has a rare disease, so he can only eat ramen. Vocalist Sang Won and drummer Hae Won of a rock band decide to sell a guitar because they have no money. A girl named Jin Hee wants to keep a memorable song, and Ji Hoo falls in love with her.