Carmilla S02 E22 Compulsory Violence

"Love will have its sacrifices"

The attack on Mattie results in an uproar: Mattie knocks out Perry, Laura manages to save her from being killed, which results in Laura almost being strangled by the angry vampire. Later at night, Carmilla tells Laura in confidence about Mattie's only weakness in case she has to defend herself and her ex-lover isn't around.