Supernatural's Winchester brothers will get a much welcome break from the Mark of Cain during "Hibbing 911."

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Sam and Dean are busy trudging through the Men of Letters' massive library when the episode opens, but the society's lack of Mark of Cain lore has left them more than a little frustrated (see video below). Luckily, the boys will get a distraction when a monster starts to cause panic at a sheriff's retreat.

Jody Mills (Kim Rhodes) and Donna Hanscum (Briana Buckmaster) will be on hand when the victims start popping up, but the duo will soon have to call in the Winchesters.

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"I get to work with another woman this time!" Rhodes teased, according to E! Online. "I'm teamed up with Sheriff Donna and the two girl sheriffs are solving the case. Well, they may not solve the case but they show up! They follow the boys and mayhem ensues. It's a lot lighter than any of the episodes I've gotten to do before. It's Supernatural meets Fargo."

Find out more when Supernatural airs Tuesdays at 9 p.m. ET on The CW.

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Television, The cw, Supernatural