Carol Dahlmann enlists the Hollister brothers to help locate her missing husband. The husband was tracking a fallen satellite through the jungle. While tracking him down, the trio discover an unusually strong acid killing animals and people.

Carlos Acosta (Carlos Gardel) watches fate work out a solution that allows him to return to his real love after trips to Paris and New York City.

A test pilot is missing and a search party is sent out in the jungles of Mexico; however, while searching they uncover a monster in the jungle who became this way due to a dose of radioactivity.