One is a small but successful business owner.  While the other one is a top actress in the country.  With their different social status, can they maintain their relationship? 

“Jess, are you okay?” there's a voice calling her. Jessica looks over the person and saw her sister looking at her with worried eyes. Jessica nodded her head as a sign she’s fine. “The wedding will start in a half-hour. All of the guests already here.” Krystal said.

“Do you know that you made a quite sensation today?” “I don’t know what you are talking about?” said Taeyeon with a mischievous glint in her eyes.

Jessica gives a bit of advice to Wendy regarding her future.   Taeyeon and Irene are hinted in this story.