The complex life and death story of the Singing Nun who had a worldwide hit in 1963 with "Dominique." Little is known of the ill-fated nun's life, Roger Deutsch has made the boldly speculative yet persuasive Italian film "Suor Sorriso" in which the nun (Ginevra Colonna) emerges as a tormented, unstable woman who abruptly left the convent after her recording triumph before taking her final vows.