米歇尔人到中年，是一位风韵犹存的单身母亲，面对工作压力和女儿的升学问题，米歇尔虽有床伴，但两性生活一直不尽人意。有一次和女儿在餐厅吃饭，偶然结识一位陌生男子瑞恩，在他的带领下，米歇尔不如意的性生活得到满足并借由SM逐步打开性幻想。直到有一天米歇尔回家，意外发现瑞恩和她女儿进行SM、在床上缠绵……

A 'mockumentary' about David Moore, the filmmaker who first dreamed of sharks in a tornado and brought on disaster by using real sharks. The first SHARKNADO was to be a movie never seen, a crime never reported, a tale never told. Until now.

When his daughter is brutally murdered and legal justice looks unlikely, William Duncan takes the law into his own hands, setting out on a quest for retribution. After killing the street thug who was directly responsible for her death, he finds himself in the middle of a war with the thug's brother, Rory Fetter, and his gang, who are equally hell-bent on getting even for their ...

　　洛杉矶又受到怪物的袭击，这次袭击的怪物力量远比它们的前辈更为强大，整座城市陷入了恐慌之中，罗素博士临危受死,带领着冲锋队奋起迎战。

　　影片根据真实事件改编。一条大白鲨在一个偏远的岛屿上跟踪三个皮划艇爱好者。 当它们等待救援到来时，潮水开始上涨，迫使它们回到致命的水域。 现在比赛开始了，鲨鱼将要在他们回到海岸线的路上把他们吃掉。