Featuring unprecedented access to institutional archives and the apostolates of the Missionaries of Charity. Reveals how her vision to serve Christ in the poor continues to be realized through the Missionaries of Charity today.

William Friedkin attends an exorcism with Father Gabriele Amorth, as he treats an Italian woman named Cristina for the ninth time. Prior to filming, Cristina had purportedly been experiencing behavioral changes and “fits” that could not be explained by psychiatry, and which became worse during Christian holidays.