When Virginia pulls up Vanessa's sleeve preparing to tell them that she made Vanessa think she had a disease that she didn't have, Vanessa says that she is still sensitive from the skin culture that Tyus took to test his cure. Virginia realizes that if he's using Vanessa's skin to test his cure, he is doing lots of work for nothing. She leaves to stop him before he wastes any more time, but doesn't tell Michael and Vanessa the truth. Without telling him that she made Vanessa think that she has Martin's Syndrome, Virginia tries to convince Tyus not to use Vanessa's sample by telling him that he might not be able to get what he needs from it. Tyus surprises Virginia with his declaration that he got all of the diseased cells he needs from Vanessa. She is shocked to realize that Vanessa really does have Martin's Syndrome. (thetvdb.com)