Two fugitives try to stop an alien invasion that reproduce by sodomizing men.
Paul Naschy
as Vicuña
Rodolfo Sancho
as Choro
Txema Sandoval
as Cortaojos
Isabel del Toro
as Iciar
Julio Campos
as Tiojuan
Xoan Pérez
as Policia
Carlos Aguado
as Sergio
Tatiana de Sarabia
as Nuria
Gemma Marcos
as Nuria podrida
