The story begins four years after the events of the first film. Sister Irene (Taissa Farmiga) is living a quiet life in an Italian convent until the Vatican tasks her with investigating a series of gruesome murders of clergy across Europe. These deaths lead her to a boarding school in France, where she discovers that the demon Valak has returned, hitching a ride in the soul of her friend Maurice, also known as "Frenchie".
(video game): The stealth horror sequel developed by ? nun part 2