BBC
March 27, 2015 3:21 PM EDT

Sherlock co-creator Steven Moffatt won’t reveal much about season four of the Benedict Cumberbatch show, but he does hint at a dark turn for the show, in an interview with Entertainment Weekly.

The theme of the season, said the writer-producer, will be consequences. “Chickens come to roost,” he says. “It’s dark in some ways—obviously it’s great fun and a Sherlock Holmes romp and all that—but there’s a sense of… things… coming back to bite you.”

He continued: “It’s hilarious and exhilarating some days, but some days it’s going to be bloody frightening”

Read more about the fourth season, which kicks off in the United Kingdom with a Christmas special later this year, at EW.com.

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