穿越人类历史的长河，重新经历头脑的风暴，讲述6个改变了世界的标志性发明创造。生产力是如何改变人类生活的，人类的创造力又是如何影响世界的。

Hyun-jun, a musical actor, makes his mind to go abroad for further study. He returns to his hometown where he meets his cousin So-yeon. After getting a taste of the countryside with her, So-yeon makes the unexpected confession that she has loved him for a