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Lee Ji-peak (played by Lee Beom-soo), the bronze medalist of the 88 Olympic Games weightlifting, had to end his athletic career prematurely due to injury. Possessing nothing but a muscular body and an obsession with weightlifting, Lee Ji-peak became a weightlifting coach at a rural girls' high school. There, he met a group of energetic country girls.

Yeon-zi (played by Cho Ah-sung) has the best physical condition for a weightlifter with strong shoulders from farm work and enviable core strength. Hyun-jeong (played by Chun Bo-mi) has a crush on the school's top handsome guy. Su-eok (played by Ryeo Seol-bi) is a model student who wants to enter Harvard Law School and become an FBI agent. Ru-sun (played by Choi Moon-kyung) is a filial daughter who wants to succeed in weightlifting for her sick mother lying in bed. Bae-yeong (played by Kim Min-young) is always full of power and passion. And Min-hee (played by Lee Yun-hi) is a "four-dimensional beauty" who is intoxicated by weightlifting uniforms.

These country girls may be different in personality and appearance, but they share the strongest resilience and enthusiasm in the world. Moved by them, Coach Lee Ji-peak organized a dormitory for these homeless children and began formal training for them. Starting from the basics, they gradually grew into very professional weightlifters under the leadership of Coach Lee Ji-peak, and finally, they could challenge for the Olympic gold medal.