The Power of Darkness (1979)

A man discovers a worldwide conspiracy orchestrated by the blind against the sighted, but cannot prove it or convince others. Determined to leave a will, he writes a chilling report in anticipation of possible repercussions, as he descends into madness or the search for a disturbing truth. Set in a dark and enigmatic Buenos Aires, this colossal psychological and fantastic thriller is an allegory that reflects the complexities of Argentina during the last dictatorship, shrouded in an atmosphere of uncertainty and paranoia.