Brennan decides to keep the baby and shocks Booth by asking him to be a father for the child. This revelation adds to the stress of his undiagnosed health problem, and causes him to hallucinate.
As Emily tries to convince Aiden to leave, her past with him in Japan begins to haunt her. At the same time, Emily learns of a surprising connection between the white haired man and her mother. The Graysons return to the spotlight.