The preview and synopsis of the upcoming episode, titled 'Breath Play,' of season 10 of Criminal Minds reveals that the BAU will tackle a criminal with sick sexual ideas and whose "fantasy is 50 shades of pain."

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The promo clip runs with the tag line "50 shades of pain" which seems like a play on Fifty Shades of Grey.

Here's the official synopsis:

"The BAU is called to Wisconsin in search of a serial killer, and the team looks for a connection among the victims for clues to the UnSub. Also, Kate has trouble dealing with her niece, Meg, when she begins acting out."

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In a recent interview, showrunner Erica Messer revealed that Jennifer Love Hewitt's pregnancy will be written into the upcoming episodes of Criminal Minds for her character Kate Callahan.

TVGuide reported this bit of exciting news revealing that this development in Kate's arc will be introduced in 17 of the chapter. Messer spoke to the entertainment website about how they will build it up.

"She's been acting out a little bit, and we reveal ... it's because Kate is gonna have a baby," Messer said. "The fact that she and Chris decide to have a baby rocks Meg a little bit. Even though she's been raised by amazing people, there's an underlying abandonment since her parents were killed when she was very young. She's trying to deal with that and being 13 and navigate the world and see her place in it."Not to mention being stalked by a network of online predators, the season-long unsubs, that nearly snatched her last month. "All of that is by design," Messer says. "We might hit it again before the finale."

The episode will air on March 11 at 9 p.m. EST on CBS.

Watch the promo for the episode here: