The researchers also tentatively linked the tombstone to an actual knight, Sir George Yeardley, but couldn’t confirm the association. Though it has long been known as a black marble tombstone ...

and the legend of the village church's tomb effigies – a pair of marble knights who are said to rise from their slabs on Christmas Eve," reads the logline. "Jack dismisses this is as mere folklore.

On Christmas Eve, a pair of marble knights rise from their tombs in the medieval village church and come back to their old home – the couple’s cottage – seeking deadly retribution.