Female students from the Chungjoo Yeseong Girl's High School develop a new kind rice wine and patent it. This drama is about high school students helping their beloved father continue their family business.

In his 10th year at college, Eun-sik is part of a nearly ideal campus couple with swimming champ Kyung-ah. While their three-year relationship is solid, Eun-sik struggles to get to the next level with Kyung-ah; despite the help and support of his friends, he can't manage to get her into bed.