Nostradamus (Rossif Sutherland) tells Mary (Adelaide Kane) of his prophecy that one among them will die soon, which causes Mary to make a decision that will forever change her relationship with Francis (Toby Regbo). Clarissa (guest star Katie Boland) becomes bolder with her endeavors, while Kenna (Caitlin Stasey) informs Catherine (Megan Follows) of Diane's (guest star Anna Walton) plan for Bash (Torrance Coombs), which ends up backfiring.