The awkward, distant, and wounded three sisters gather at their hometown for their father's birthday. However, on the day of the party, there is a big mess because of their little brother Jin-seob's abnormal behavior, and the past of the three sisters slowly reveals.

High school athlete Hanju lives in poverty but happily with her grandfather, a herb gatherer, and younger brother, who has a lower back disability. Hanju, who was rushed to the emergency room after his grandfather had been involved in an accident, visits a pastor who took care of his family.