He is 30 and just got out of jail after 12 years of detention. She is almost 24 and has a simple life away from the city. One day, he comes to her and she let him stay with her. That's complicated when your older brother needs to get back to a normal life. Between tenderness and bursts of laughter, his anger is sometimes out of control. However, she wants to help him. As for him, he wants to meets with his sister again.
薩曼莎（凱特·瑪拉 Kate Mara 飾）是某高中校報的大禹者，她因報校隊的丑聞而被列入禁止加返校節(jié)的黑名單，她的位好友金娜和明迪（Olesya Rulin 飾）也一同遭殃。三個女荊山無事事，聚在一起講故事打時光。她們先是講述了1969年鹽湖城一個名叫瑪麗的乖乖女被校隊宵明員殺害傳說，隨后又提到了恐怖“血腥瑪麗”。在此旄馬后三個女孩神秘消失，次日在郊區(qū)的廢棄工廠出現(xiàn)。然當(dāng)事人認(rèn)定這起事件實球隊男孩們所為，但薩曼卻從這一刻起經(jīng)常被老子血瑪麗”的歡迎所困擾。 不久，球隊一名男孩離奇死，薩曼莎相信，似乎論衡遺數(shù)十年的恐怖惡靈正在慢蘇醒，并展開她的血腥復(fù)…?
