The synopsis for Grimm episode 2×05 “The Good Shepherd” gives more details on the Wesen church lead by a Blutbad!

“The Good Shepherd” will air September 10 at 10 p.m. on NBC

Episode synopsis:

MONROE GOES UNDERCOVER TO HELP NICK EXPOSE THE TRUTH ABOUT A LOCAL CHURCH AND ITS UNUSUAL FLOCK — When a local Reverend reports that his church has been robbed, Nick (David Giuntoli) quickly learns that it’s a Wesen church, and enlists Monroe (Silas Weir Mitchell) to check for any suspicious activity regarding the shepherd’s flock. Meanwhile, Nick and Juliette (Bitsie Tulloch) continue to figure out the rules of their relationship as a dangerous opponent lurks in the shadows with his sites on Nick. Russell Hornsby, Sasha Roiz, Reggie Lee and Bree Turner also star.

Kristina Anapau, who plays the fairy Maurella on True Blood, is also set to guest star in this episode. She plays a reserved Megan Marston, who happens to be dating a Blutbad posing as a reverend!