Detective Mark Rima and Detective Chris Riant, an unlikely duo, team up to stop a serial killer nun who is targeting the members of a band called "The Ex Choir Boys". As they struggle to solve the case, they are aided by an expert FBI profiler. The investigation reveals that the "nun" may be a silent witness, and the police shift their focus to a group of priests with a dark history of "cleansing the souls" of young choir boys.
Sister Mary
Detective Mark Rima, a seasoned investigator, is forced to work alongside Detective Chris Riant, a flamboyant and openly gay colleague, to solve the case of a serial killer targeting the members of "The Ex Choir", a band.
