Overview:Alison & Rafe find Elizabeth & Stephen in bed together. Rafe sees blood on Stephen's collar and deduces Elizabeth's a vampire. Alone with Stephen, Elizabeth realizes this too. Ian & Chris treat the hooker Kevin once attacked. When Tess has more flashes of Livvie & Caleb, Jack brings her to G.H. Chris asks for Tess's help when the hooker's near death. Kevin's questioned regarding the hooker's beating. Ian's stunned when Lucy gives Kevin an alibi by saying they made love all night. Kevin implies Ian's trying to get Lucy back by making up false accusations. Ian accuses Lucy of sleeping with a monster and she slaps him.