Ep 5. The Good Shepherd

In Grimm Season 2 episode 5 titled "The Good Shepherd," the audience is introduced to a new character, Rosalee's brother, Frederick. Nick and Hank get entangled in a case involving a brutal murder at a church, and it becomes clear that the pastor and his flock are not your average Christians. While investigating the case, Nick and Hank end up at Rosalee's spice shop, where Frederick is visiting his sister and assisting her with creating concoctions for her customers.

As the investigation progresses, Nick and Hank discover that the pastor and his church are a part of a Wesen sect that preys on their own kind in the name of religion. The pastor, played by guest star James Frain, is a Wesen who claims he's a prophet and that God speaks to him. He convinces members of his church to donate their body parts to him, hoping to become a pure Wesen. His delusion leads him to murder anyone who thwarts his plan.

Meanwhile, Rosalee is dealing with her own problems. Her brother Frederick is a recovering addict, and he's struggling to stay clean, especially with the lingering pain from losing his wife. Frederick's presence and addiction trigger Rosalee's own traumatic past as a drug addict. While trying to support her brother, Rosalee finds herself becoming increasingly emotional and distant.

The episode explores themes of faith and identity, as well as the tension between family loyalty and personal responsibility. The pastor and his followers blindly follow his false doctrine, believing they're doing the right thing for their kind. Rosalee, on the other hand, recognizes her own mistakes and past but chooses to own up to them and seek forgiveness.

"The Good Shepherd" is a thrilling episode that keeps the audience on the edge of their seats. It's packed with action, humor, and heart as Nick and Hank try to solve the case while dealing with their personal lives. The dynamics between the characters are intense and compelling, especially the bond between Rosalee and her brother. It's a must-watch for fans of the supernatural and crime genres alike.