A man tries to avenge the death of his sister, a gambling addict. Another man, an ex-convict who whistles when he commits a crime, is reunited with his blind mother.
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".