The bright and diligent Do Hae Yi is a student at Yeonhee University. Because of her family's poor financial situation, she places a priority on making money rather than school. One day, Do Hae Yi suddenly joins the cheering squad Theia which has existed for 50 years at Yeonhee University. She only joins the club for money, but while participating in the cheering squad, Do Hae Yi starts experiencing the joy of campus life and meets various people from Theia including Bae Young Woong, who was once a member of Theia and he is an alumnus of Yeonhee Univers, supporting the cheering squad financially and emotionally.