The events take place four years after the first film. Sister Irene, who survived her first encounter with Valak, has since moved to a convent in Italy. However, strange and deadly occurrences begin to unfold, signaling the return of Valak. When a priest is brutally murdered, Irene is forced to face her fears and confront the demon once again.
Joined by a young novice named Sister Debra, Irene travels across France, following a trail of gruesome deaths and supernatural disturbances. Together, they uncover new secrets about Valakโs origins and power, revealing a disturbing connection to a sacred artifact. As the demon grows stronger, Irene and Debra must confront unimaginable horrors to stop Valak once and for all.