有一天,一个小孩跑去找他的爸爸说:“爸爸,我看到教室里有个小偷!”爸爸很生气地问:“你怎么知道他是小偷?”小孩回答:“因为他在教室里偷偷地睡觉!”Lonely teenager Mia gets hooked on the thrills of conjuring spirits through a ceramic hand, but when she is confronted by a soul claiming to be her dead mother, she unleashes a plague of supernatural forces, and struggles to decide who she can trust the living or the dead.