Chris runs tests on Karen and is shocked the results indicate she's mutating. Ian asks for Frank's help to prove Anne-Marie's an impostor, but Frank can't find any record the real Anne-Marie existed. Christina runs from Lucy, who loses her again. Despite finding Lucy and Ian together, Rafe asks Kevin not to jump to conclusions. Lucy tells Kevin about seeing Christina but he doesn't believe her. Livvie arrives at Eve's and alters Ian's phone message while Eve showers. Frightened to hear Ian's voice threaten her, Eve gets a restraining order against him. Rafe asks his boss for one night to set things right.