Jessica, Tifanny and Taeyeon were bestfriend. Both of Jessica and Taeyeon were the heirs of their own family company, Jung and Kim Corps. Taeyeon has been in a relationship with Tiffany for 2 years. Tiffany was the heirs of Hwang Company. Since her company were in crisis, her father didn't waste his time,  before their own company became bankrupt he took the only solution which was to make their own company merged either with Jung or Kim Corp. But since Tiffany dated Taeyeon, the problem should be solved.

Unfortunately Taeyeon involved in an accident and died, Jessica took Taeyeon's place and she got married with Tiffany. Just when they had falling in love, Taeyeon came back to Jessica and Tiffany's life.

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