Kim Bok-joo chose the path of a weightlifting athlete at the age of ten. When the father first brought the girl to the gym, she was amazed with the strength, stamina, and flexibility of athletes. After years of hard training, Kim Bok-joo won a gold medal. However, the girl is emotional and quick-tempered, and also can not tolerate injustice. There is no place for romance in her life, she has never been on a date, and she would prefer sports to any party. But one day everything changes when she does not have time to brake in time on a bicycle and crashes into Jung Joon-hyung... How will this unexpected meeting end? Will Kim Bok-joo find time for personal life?