Bad Habits: The victim "Father Logan" was actually a bank robber on the run.
Hearing Voices: The titular voices are what Sister Catherine believes are Mary Magdalene and angels speaking to her. They are actually conversations in the courtyard echoing in a pipe next to her bed.
Poor Communication Kills: Father Hoobin and Sister Theresa's old criminal acquaintance Tommy showed up looking for money from a bank job. Sister Theresa brought him to where she buried the loot, only to find it gone. Tommy thought the Sister was trying to pull one over him and attacked her, forcing her to kill him. This wouldn't have happened if Father Hoobin told Sister Theresa he'd donated the money in attempt to wash their hands of the past.
We Hardly Knew Ye: Murdoch's sister Susannah is introduced in this episode, and reveals at the end she's terminally ill.
