Go Dok-mi's peaceful life is shaken up.

Kkae-geum mistakes Dok-mi as a pervert and pounds on her door; the boys of unit 401 move to help Dok-mi.

The shy shut-in Dok-mi must come out of her shell when she gets caught spying on her handsome neighbor by his famous houseguest.

Dok-mi and Kkae-geum's trip turns into chaos; they take this chance to open up for the first time.

The shy shut-in Dok-mi must come out of her shell when she gets caught spying on her handsome neighbor by his famous houseguest.