Information for Suor Angelica at Theatre Royal Plymouth, Plymouth (Opera or Operetta). 'Suor Angelica'....A Tuscan convent, late 17th Century, Sister Angelica was forced by her noble family to take the veil after giving birth to a son out of wedlock. The opera ends when Angelica drinks a poison she has made herself, realises she has committed a deadly sin and prays to the Virgin for forgiveness. As she dies, she has a vision in which the Virgin brings her son to her. Opera Double Bill.