In the autumn of 1960, Father Thomas Riley and Father John Thornton were sent by the Vatican to investigate a miraculous event in an Irish home for 'fallen women', only to uncover something much more horrific.

Lalor Roddyas Father Thomas Riley
Ciaran Flynnas Father John Thornton
Helena Bereenas Mother Superior
Lauren Coeas Kathleen O'Brien
Carleen Melaughas Sister Maria Louise