A scientist's experiment with a deadly bacteria goes awry and leaves him horribly deformed. The monstrous man then runs amok in his town.

El jefe del FBI explica que los hippies eran buenos, pero que se han degenerado al pintarrajearse sicodélicamente, drogarse y al hacerse adictos al amor libre. El agente secreto Frank investiga a un tal Sandy cuya hija a desaparecido, al parecer por culpa de los hippies.

The life of Macarena, a Spanish immigrant in the USA, becomes complicated when she has to pay a debt contracted by her father.