Katya Derevko purposefully poisons herself, in order to talk to Sydney, and is temporarily removed from her cell. When Sydney finds out that Nadia has been visiting Katya, she goes to visit Katya, and warns her not to talk to her sister again. But when she arrives there, Katya tells her that someone framed her mother to get her killed. Sydney goes looking for some answers. Meanwhile, helps out another agency to find out more information about his father. In the end, they both find out the same man was behind everything...Arvin Sloane.