Krystal has some very confusing feelings for her sister Jessica. Jessica’s friend Tiffany has a crush on her and begs Krystal to help her win over Jessica. Meanwhile, Taeyeon, Tiffany’s best friend believes that she and Tiffany are meant for each other. Caught in the middle of all this is Jessica who is totally oblivious to everything until one day it all blew up in her face and things were never the s