Gisela (2011)

Gisela lives with her husband, Roberto, and their maid, Luiza, in an upper-middle class apartment in Rio de Janeiro. Roberto is always away, and Gisela ends up spending most of her time alone with Luiza. She feels something is not right with Luiza, but doesn't know exactly what it is. Soon, strange events start happening in the apartment, but, who is causing them?