Krystal, a sophisticated women of the Elite society is betrothed to Kim Jongin, a smart and dashing businessman. Kai and Krystal are leading a very unstable life as their relationship has minor damages. Taemin, Kai's best friend, returns to Seoul, Korea, only to add more salt on their wounded relationship. Krystal's past comes back to haunt her with Taemin's return whereas Kai falls in depression. With