A story that about the top 1% of hair designers in Kangnam who're determined to display their skills and soothe the hearts of tired souls who're exhausted from life with their warm hands. Ever since the fateful day when she took up a part-time job at J Hair Collection and saw how the designers there can bring out the beauty and stylishness that people had never thought they had possessed, she was determined to become a hair stylist and make people happy using the talent at her fingertips.
A singer-songwriter named Se-Kyung (Shin Se-Gyeong) has a rare disease so can only eat ramen. Vocalist Sang-Won (Lee Jong-Hyun) and drummer Hae-Won (Kang Min-Hyuk) of a rock band decide to sell a guitar because they have no money. A girl named Jin-Hee (Baek Jin-Hee) wants to keep memorable song and Ji-Hoo (Im Seul-Ong) become to fall in love with her. "Acoustic" is an omnibus film story depicting these stories of love, hope, and musc - all set within the Hongdae area of Seoul.