The Secret Circle Episode 1.10 Darkness

Cassie turns to Adam when she uncovers a secret about herself that she needs kept from the rest of the Circle, including Diana. Meanwhile, Diana is thrilled when her grandmother Kate (guest star Stefanie Kramer, "Hunter") drops in for a visit, but Charles is suspicious of his mother's motives after Kate takes an unusual interest in Cassie. Meanwhile, Faye recruits a mysterious stranger named Lee (guest star Grey Damon, "Friday Night Lights") to help her with a spell that could change the balance of the Circle forever.