簡介：吉爾·塔克（貝茜·拉塞爾 Betsy Russell 飾）向警方和盤托出豎鋸事件的始末，而僥幸逃脫死亡威脅的馬克·霍夫曼（科斯塔斯·曼迪勒 Costas Mandylor 飾）則向警方發出警告，勢要殺掉吉爾不可。警署上下如臨大敵。另一方面，自稱豎鋸游戲幸存者的波比·達根（肖恩·派特里克·弗蘭納里 Sean Patrick Flanery 飾）高調現身，演講、出書、接受電視臺專訪、組織幸存者自救會，風光無限之時名利雙收。然而波比只是一個為搏出位的騙子，他的謊話騙過了大多數人，卻騙不了豎鋸約翰（托賓·貝爾 Tobin Bell 飾）。一場針對波比及其團隊的殘酷生存游戲拉開序幕……本片為電鋸驚魂系列第七部，制作成3D影片上映。
簡介：This is the story of Captain Muengman. After accidentally marrying a ladyboy and losing his virginity to her… him… er, her… he is assigned to do a very special mission. He must defeat a band of ladyboy terrorists lead by Golden Flower (Dok Tong a Thai slang for prostitute), whose intent is to cause harm to normal men and women. In order to complete the mission Captain Muengman and his team must disguise themselves as ladyboys to infiltrate Golden Flower’s hideout.