It's almost Halloween and the idols are preparing for the best Halloween of 2010. gathering up in an abandoned house outside of Seoul, they decide to spend Halloween there. But do they know that...the house could be haunted?

Starring:
KARA's Seungyeon, Nicole, Hara, and Jiyoung
BEAST's Kikwang, Yoseob, Junhyung, Hyunseung, and Doojoon
2NE1
Big Bang
Teen Top's Niel
After School's Gahee, UEE, and Bekah
SHINee's Onew, Key, and Taemin
4minute's HyunA, Jiyoon, and Sohyun
f(x)'s Amber
2PM's Junsu, Wooyoung, Taecyeon, and Nichkhun
SNSD's Sooyoung, Sunny, and Hyoyeon
Wonder Girls
MBLAQ's Cheondung
DBSK's Micky Yoochun, Hero Jaejoong, Xiah Junsu
Jay Park