Two college students decide to take a vacation to the Amazon. While in a small village getting supplies, they provoke the anger of a local scoundrel, whose ruffians beat them up. After renting a boat and sailing down the river in search of some good scenery, the two kids become lost and are forced to jump in the water to avoid a cascade. Now totally lost, they enter a small village, where the natives eye them mysteriously. It is here that they meet a bizarre jungle female, who happens to be the last survivor of a helicopter crash that occurred years ago. She soon develops a bond with the two adventurers...

Zwei Studenten beschließen, Urlaub am Amazonas zu machen. Nachdem sie ein Boot gemietet haben und auf der Suche nach einer schönen Landschaft den Fluss hinuntergefahren sind, verirren sich die beiden Kinder.

Luana se perdió en la selva cuando era pequeña, tras estrellarse el helicóptero de sus padres, y reina en ella como una especie de Tarzán femenino. Dos turistas consiguen extraviarse en esa selva, perseguidos por caníbales y "rescatados" por Luana.