Shut Up Flower Boy Band is centered around a high school band known as "Eye Purification." The drama depicts their friendships, loves and passion for music.   Byung-Hee (Lee Min-Ki), Kwon Ji-Hyuk (Sung Joon), Lee Hyun-Soo (L (Kim Myung-Soo)), Jang Do-Il (Lee Hyun-Jae), Kim Ha-Jin (Yoo Min-Kyu) and Seo Kyung-Jong (Kim Min-Suk) are the members in "Eye Purification." They all attend Dong-Nae High School, a school set to close down due to redevelopment. The band members don't have much interest in studying. Byung-Hee keeps proposing that they all drop out of school, but the others take his comment as a joke. Byung-Hee is interested in finding a muse that will inspire him to write great music.  One evening, "Eye Purification" perform at a bar, but due to the loud volume from their show the police enter the bar. The band are able to escape. The next morning, Byung-Hee wakes up on a bed next to a girl. The girl's father knocks on the door, shouting "Open the door!" The girl tries to hold the door closed until Byung-Hee can leave the room, but her father breaks in. Byung-Hee is shocked to see her father. The girl's father is Byung-Hee's teacher! Byung-Hee escapes.  The band members meet and go to to school. A meeting takes place between students and faculty, to learn which schools they will transfer too. The band members of "Eye Purification" must transfer to Jung-Sang High School. Their new school features a sterling reputation, good facilities and kids from rich families unlike Dong-Nae High School.  Meanwhile, the band members go to Nakwon Shopping Center to buy a drum. At the shopping center, Byung-Hee see a girl Im Soo-Ah (Jo Bo-Ah). Byung-Hee feels a connection with her and believes she might be the muse he is looking for. While Byung-Hee starts a conversation with her, Kwon Ji-Hyuk walks up to them. Kwon Ji-Hyuk notices her name tag and her high school uniform. Kwon Ji-Hyuk drags Byung-Hee away. When Byung-Hee returns, the girl is no longer there. The band memberWatch drama online for free.