Sister Mary is a 2011 American musical comedy film directed and written by Scott Grenke and starring Ant, James Vallo, Bruce Vilanch, Judy Tenuta, Sean Paul Lockhart and Shawn Quinlan.

[1] Homophobic detective Mark Rima must "partner" up with flamboyant gay detective Chris Riant to stop a serial-killing nun from killing five members of a band called The Ex Choir Boys.

As the details of the case slowly emerge the police determine that the "nun" may only be a silent witness to the grisly murders.

The task force then turns its attention on the Catholic Church and a suspect group of priests with a propensity for "cleansing the souls" of innocent young choir boys.

[2] Chris Carpenter said, "Scott Grenke has a lot for which to atone.