One tranquil summer, a mysterious woman checks into a vacation rental — triggering events that disrupt the lives of the owner and those around him.

While looking for the cryptic creator of an innovative augmented-reality game, an investment firm executive meets a woman who runs a hostel in Spain.

Ra Bong Hee, sole survivor of a plane crash carrying entertainment stars, returns to Korea after 4 months. Public demands answers about the eight missing passengers, but her memory loss hinders recounting the fateful events.

It is about an ordinary girl named Ji Yeon hee who finds out that her neighbors are the lame dudes of EXO.