Terror sin habla was released in the year 1974。Terror sin habla is also called as Frightmare, Smak på människokött, Once Upon a Frightmare, Nero criminale - le belve sono tra noi, Frightmare II, Cover Up。

Edmund and Dorothy Yates are freed after fifteen years in an asylum. Edmund covers up for his wife who is a murderer and a cannibal and Dorothy's daughter Debbie and stepdaughter Jackie, who live apart from them, may or may not have inherited her appetites. Dorothy has started to kill again...