As Clark and Lois arrange a surprise 18th birthday party for Chloe, Lana receives a mysterious book that belonged to her French ancestor Isabelle, who was burned as a witch in the 1600's. Through the book, Isabelle possesses Lana's body and she resurrects two other witches in the bodies of Chloe and Lois. The trio set about tracking down the Kryptonian Stones, spelling trouble for Jason, Lex and Clark.