Lee Donghae, the richest guy in their country, Korea have a marriage with an ordinary girl Jessica Jung. She loves someone else named Choi Siwon, of course Donghae doesn't love Jessica too BUT that is the thing that both of them have to do IS THEY NEED TO MARRY. Donghae still doesn't want to break up with Tiffany Hwang, his girlfriend. What will they both do for their lovers? Or will they fall in love at last?