A rebellious punk of the beat generation spends his days as an amateur dirt track driver in between partying and troublemaking.

On the front in Italy during WW2, a sergeant thinks that one of his men is faking battle fatigue and sets out to expose him.

An unhappy teenager hits the road to meet up with a man in California whom she barely knows. Along the way the naive teen stumbles around trying to do her best to get by, but eventually falls prey to some unseemly characters willing to take advantage of her.

Cooperating with the police in order to revenge his father's death, Frank joins a youth syndicate master-minded by the sadistic Alex. When members become suspicious, Frank must cooperate with the gang activities in order to prove his loyalty. Now personally involved and unable to contact the law or his girl friend, Frank's true identity is revealed to brutal leader whose anger he must now face. Meanwhile the selfish disloyalty of the boss is revealed and in bitter hatred the most trusting youth of the syndicate turns on the leader.

A crook decides to bump off members of his inept crew and blame their deaths on a legendary sea creature. What he doesn't know is that the creature is real.

Government agents hire a mercenary to infiltrate a crime ring that's selling guns to a right-wing militia in Texas.

Gang of bikers try to save people in a mining disaster.

A gold thief and his gang use a skier's lodge and meet a monster covered with cobwebs.

Harold Gern, a shady businessman from New York, is spending a holiday in Puerto Rico with his attractive wife Evelyn. They are joined by Martin Joyce, Harold's lawyer, who has come to discuss the latest indictment. Harold invites him along on a boat trip during which all three try out some newly bought scuba diving equipment. When they resurface, they find out that the world has changed forever.

A group of scientists travel to a remote island to study the effects of nuclear weapons tests, only to get stranded when their airplane mysteriously explodes. The team soon discovers that the tests have given rise to crabs mutated into intelligent, impervious, telepathic giants intent on increasing their numbers by breeding, then travelling to populated areas to feed, and which do not intend to be stopped by their discoverers.