Everyone in SM Entertainment knew the devil that comes out of Lee Donghae whenever he's jealous. That is why, when he started to be expressive about his feelings for one Im Yoona, not even his seniors dared to cross the girl's personal space. But then, Shim Changmin is different. He WANTED Yoona, and whether or not he needs to go on a full battle against his Donghae-hyung, he will make her his. Afterall, what Max wants, Max gets.