Mieko is a housewife with some problems. Her husband is indifferent to her and her daughter Sayako refuses to go to school. One day, Mieko meets Kaori who is divorced. Mieko and Kaori worked at a same company years ago. Kaori tells Mieko that how she was swindled out of money by a man and, because of this, Mieko loans money to Kaori. Due to the loan, Mieko, herself, begins to do part-time work at a convenience store. While at work, Mieko catches a shoplifter Yukimi in the convenience store. It turns out, Mieko and Yukimi get along great. Mieko, Yukimi and Kaori decide to go to a karaoke room together. At the karaoke bar, the women hear the song "Smoke On The Water" by Deep Purple and decide to form a rock band!

각기 다른 삶을 살아가고있던 네 명의 여자가 자신들의 삶에 점점 지쳐갈 때쯤 어릴 적 꼭 한번 하고싶었던 밴드를 만들게 되는 그런 도전에 관한 이야기이다.