The Dead at the Phone（1963）

This story begins with Marcelo's funeral. His family, his fiancée Lúcia and three suspicious men are the only people accompanying the coffin. By night, at home, Rosa, Ricardo and Lúcia notice something strange: Marcelo's room has been completely ransacked. Suddenly, the phone rings. Rosa answers and hears the voice of her son who had just died. The shock is too strong for the poor lady, who dies of a syncope. To understand these sinister events, we have to go back three days...