Watch The Nun (2018) HD Full Movie Free on SolarMovie. Watch The Nun (2018) online free. A priest with a haunted past and a novice on the threshold of her final vows are sent by the Vatican...A priest with a haunted past and a novice on the threshold of her final vows are sent by the Vatican to investigate the death of a young nun in Romania and confront a malevolent force in the form of a demonic nun.