Ellie Cain finds her father, Benjamin Rand, at the Cain's residence after being advised of the kidnapping of Leopold Cain. Rand seizes the case and makes a negotiation to get his grandson back that may cost him his life. Knapp and Special Agent Latimer King uncover some interesting information regarding the Cain family's past and possibly the location of Leopold. Meanwhile, Conrad Cain is arrested for murder of his childhood friend.