Will, a young Hispanic gay potter, is one gregarious guy. His boss is terrible, but he's got a great boyfriend and a great job. Unfortunately, behind that veneer is a dark past of violence and mental illness that he is desperate to keep hidden. When his bipolar mother comes out of the woodwork after ten years of silence, he begins exhibiting unexplainable symptoms. After an injury at work, he starts losing functioning of his arms, and something sinister lurks in the corner of his vision a silent and ominous man in a wolf costume. Will spirals into an obsession, determined to solve this mystery of his own. What is going on with his arms Can he trust his boyfriend Is he becoming his mother
瑞秋（凱倫·皮斯托里斯 Caren Pistorius 飾）和丈夫正在分居之中，目前由她獨自撫養著年幼的兒子凱伊（加布里埃爾·貝特曼 Gabriel Bateman 飾）。離婚事宜的商討令瑞秋心力交瘁，睡過頭的她眼看著就要遲到，卻不巧碰上了高速公路大堵車。明明是綠燈，瑞秋卻被停在她前面的一輛大卡車攔住了去路，失去耐心的瑞秋狂按喇叭，哪知道卻惹惱了卡車司機（羅素·克勞 Russell Crowe 飾）?？ㄜ囁緳C命令瑞秋為她的不禮貌而道歉，瑞秋拒絕了，此時的瑞秋還并沒有意識到，自己已經引火燒身?？ㄜ囁緳C是一名精神病患者，剛剛放火燒死了要同自己離婚的前妻一家子。他掉包了瑞秋的手機，開始對她進行人肉搜索和瘋狂報復。
