Wonder Woman 1984 3D 2020. Diana Prince works at the Smithsonian Institution in Washington D.C. in 1984. She reunites with her lost love Steve Trevor after wishing on an ancient artifact called the Dreamstone. The stone was created by the god of lies and grants wishes at a great cost. Barbara Minerva wishes to be like Diana and transforms into the Cheetah. Maxwell Lord steals the stone and becomes its living embodiment. He grants wishes worldwide, plunging the planet into chaos. Diana must renounce her wish, regain her full power, and convince humanity to reject the stone's temptations.