This comedy follows a story about three friends, Chiho, Dongwoo, and Gyungjae. Each of them has just turned 20 years old and the world is their oyster. With new opportunities, they can do what they want, love who they want, and even, cause a little havoc here and there.

Hye(Female, 27) has suffered from severe nightmares since she was a child. They actually happens in reality and finally endanger her life. According to a shaman's advice, she decides to return a private resort called 'Wonderland'. It was the summer villa for her family 24 years ago. There are a mysterious and enchanting man, Hwan(24), a beautiful woman, Sue(25), and a white rabbit, Myo-doll, waiting for her. Within 15 days in Wonderland, she should find what she lost to stop her nightmares. If she can't everybody will die.