Knight Time - S1.E13

Past and present converge. In the tenth century, Adam rejected Beatrice, so she had him killed, after his showdown with Zachary and his wedding to Clare. Adam sees into the past and finds he was drugged, to become a sacrifice to Zachary's dream of immortality... Back in the present, Adam finally finds his brother's grave, and the Stone, but not the Book. Zachary goes off to find it...