Minho,Jonghyun,Key,Yuri,Yoona,and Tiffany are best friend with different characters. Minho is really a man, cool,and gentle,but he's a little bit mean. Jonghyun? He's a ert. Key is always like a mother, for him, it's not a day without nags. Yuri is boyish. She hates all girly stuffs but she's a cranky girl. She never laugh, she had no emotion and she hates fairytales. And, Yuri is really sensitive, everyone can make her cry. Weird, right?. Yoona? A slowhead. Tiffany? Kindhearted,girly,and feminine. 

What if Hodong,their teacher in their theater class ask them for a play? And it's Disney's Little Mermaid? I mean, Tiffany really love fairytales. How about Yuri? She hates fairytales right? And the boys... They hate acting.