A college girl named Kang Ji-a is a 21 years old and an academic achiever at a University, and a resourceful boy named Choi Min-Jae is a 22 years old who works at a convenience store as a part timer. One night Ji-a got exhausted doing her homeworks and decided to get some sleep meanwhile, Min-Jae is in a deep sleep. Later on, they’re both got stuck in this dream, a dream that they got a chance to control.