民國年間，馬文才、張小猴師徒混跡南方做一些冒充高人的騙人勾當，意外卷入一場兇殺案，被誤當做殺人兇手。為解除嫌疑二人不得不留在此地揪出真兇。接二連三的怪事兒似乎證實了之前不詳的傳聞，張小猴發現近日的種種遭遇竟和一個困擾自己多年的夢境有關。

　　A couple on the verge of a nasty divorce attempt to sell their empty love nest and move on with their lives, separately. After a successful open house they are horrified to discover, days later, that a potential buyer didn't leave their home. While Alice is being held captive in the basement, the unannounced house guest moves in upstairs. She senses her capture is being kept a rebellious secret. She knows her way only way out if she can only get out alive.

　　曾經馳騁戰場的退伍老兵安布羅斯·麥金利（Nick Damici 飾）終究也抵擋不了衰老和死亡的侵襲，妻子早年去世，兒子威爾（伊桑·恩布里 Ethan Embry 飾）兀自忙著事業，父子關系雖不冷淡卻也絕非親近，雙目失明的安布羅斯搭乘著兒子的汽車搬入名為克萊森特灣的老年社區，陪伴他的只有一條忠誠的狗狗。搬入當晚，住在隔壁的老婦人被一只餓狼模樣的怪獸襲擊身亡，而安布羅斯則經歷了極其恐怖且終生難忘的夜晚。從醫生口中得知，該社區每個月都會發生一次類似案件，但警方無一例外都將其歸咎為普通的野獸所為。　　得不到親人的救助，更無法奢望父母的庇護，安布羅斯只能融入社區，尋找拯救自己的辦法……

　　一把刀守一個信念，老兵從九龍鎮殺向白馬關，冒死押送之路步步藏殺機。絕境中他背水一戰，縱敵人環伺，仍以諾言為重，且看其如何突出重圍！