Hwang Tiffany is the only successor of Hwang Corporation. She's pretty,rich and clever. Every guy would fall for her charms. But, she already has a boyfriend. Her boyfriend is Taecyeon. They love each other very much. Choi Siwon is the only successor of Choi Corporation. He's very handsome,rich,has a perfect body structure and is capable of doing anything. He's perfect. Every girl would just die just to be by his side. But, he's also a playboy who likes to play ones heart. Suddenly, one day