Four different couples have a romantic week over New Year's Eve. Both coming out of failed marriages, Ji-ho and Hyo-young are not open to the possibility of new love, while Jin-ah heads to the other side of globe and encounters Jae-hun.
Little Black Dress depicts the friendships, jealousies, hopes and failures of four 24-year-old girls. The girls first met as first year students in college. They seem to be enjoying their 20's, but inside they all have worries.