 A killer s belief he was switched at birth leads him to kill those he feels stole his identity. Two men, born at the same time and in the same hospital as the killer, are brutally murdered. Sam and the team is called in once the link between the two victims is established. Evidence leads the team to an insane woman who believes her baby was switched at birth. The woman swears the badly deformed baby she was given in the hospital, was actually the child of someone else. She was never able to prove that charge, and unfortunately for the baby given to her, she was a cruel and abusive parent. Meanwhile, Jack kills his mother s butler when he learns the man has been following him at his mother s behest. Also, Sam is concerned about Chloe when she feigns being sick in order to miss school. The problem is revealed to be that Chloe has to write an essay on her parent s occupation and she s afraid to talk about her mom s secret job.