Set in 1970s Daegu, the drama it's about the chaotic adventures of a group of teenage girls, led by the second daughter of the family who owns the local toy factory. She's a cheerful eighteen-year-old who doesn't do so well with studying or tests, and though her teachers try to control her, she continues to rebel. Just like other girls her age, she likes pop music and spends class daydreaming, and falls in love at first sight.

Then one day, a transfer student from Seoul joins their class and becomes the center of attention, creating jealousy and friction among the heroine and her friends. It's the story of their growing friendship, as the heroine and the new girl starts to bond despite the initial rivalry. Aw. There's also a darker side to the story, with a mystery surrounding an increasing number of sexual assaults in the city. And at the local toy factory, female workers begin disappearing one by one…