Far from civilization, in a frozen forest on an inhospitable mountainside, a group of researchers is attacked by an unidentified figure. The sole survivor, a young biologist, takes refuge in the isolated cabin of a mysterious man.
Don't Ever Open That Door is a 1952 Argentine thriller film of the classical era directed by Carlos Hugo Christensen and starring Ángel Magana, Roberto Escalada and Norma Giménez. It is a film noir anthology film based on two short stories by Cornell Woolrich, namely "Somebody on the Phone" and "Humming Bird Comes Home".