Reeve(鄭伊健飾)是一個殭屍獵人,每次出動前都要喝下藥水變得半人半殭屍才能發揮功力。他的前搭檔Lila(何超儀飾)因一次行動中喪生,由Gypsy(鍾欣桐飾)來接替。她的到來令Reeve的妹妹Helen(蔡卓妍飾)很不滿,兩女更大打出手。 殭屍王子Kazaf(陳冠希飾)與僕人Prada(黃秋生飾)靠父親殭屍王寄來的血漿生活,他生性善良,從來不會傷害無辜。Helen邂逅了帥氣的Kazaf。一天Kazaf被殭屍伯爵追殺受傷,Helen得知他的身份後,毅然幫他到醫院偷血,還把他帶回家。原來殭屍聖典《Day for Night》就在Kazaf手上。 Reeve因一次行動後找不到解藥,因此變成了殭屍,還差點殺掉了自己的妹妹,迫於無奈之下,Gypsy把心愛的Reeve殺掉,Helen也為著要救回落入殭屍伯爵手中的Kazaf,與Gypsy聯手進攻。
Zora has been described as an indigo since childhood, making her life always haunted and targeted by supernatural beings. Alongside her younger sibling, who is also an indigo, they strive to overcome their fear of these unseen attacks.