A group of teen musicians check into a hotel after a night of performance outside of Bangkok, not knowing that the room they are staying in harbors a deadly secret. They must set out to solve the mystery behind a prostitute's murder in that very room to save their lives. 两星吧。 在空调系统里充满了诅咒、凶杀和仇恨的怨气。一个五男一女的年轻乐团就这样卷入了惊人的鬼魅事件。在饭店的４０５室，由於巡回演讲这群乐师下榻此地，无意中发现空调系统的冤魂…从此他们在也无法脱离这个恶梦… 一个长发女鬼，她索命的眼神和空调传来的声音一围绕著他们六个人。他们只好求助於名高僧，原来女鬼的名字叫星光：是个可怜的妓女，被杀後，凶手把身体藏在床下，她的头藏在空调系统里。可是他们六人的未来将如何发展，因为看来星光不会轻易的放过他们…
