Directed by Jung Jung-hwa (who previously helmed Cool Guys, Hot Ramen) and written by movie screenwriter Kim Eun-jung (Gabi, Hwang Jin-yi), it is the third installment of cable channel tvN's "Oh!

[1] Go Dok-mi (played by Park Shin-hye) is a shy, frugal freelance copy editor who refuses to leave her apartment or interact with people as much as possible.

Every day, using a pair of binoculars, she steals peeks at her neighbor across the street, Han Tae-joon, as he goes through his daily morning routine.

Enrique Geum (Yoon Shi-yoon), a genius video game developer, arrives in Seoul from Spain.

Though he's in love with his best friend Yoon Seo-young (Kim Yoon-hye), she has feelings instead for his older cousin, Han Tae-joon, so he intends to play cupid for the two.