Sarah pursues the missing Helena who is held in a farawaycompound. Sarah must use her wiles - and acting chops - todeter a Topside investigator who threatens the Leda sisters'lives. Meanwhile, Cosima appears to be rebounding from herillness, while Alison and Donnie face newfound financial woes.But when the menace of Castor rears its head once more, Sarahand her entire family must come together to survive.
