Holmes engages an old foe to protect his father after he learns Morland is in danger; Holmes and Watson search for a killer connected to the tobacco industry.
Saul goes to Abu Dhabi; Carrie delivers bad news; Quinn senses something.
Will makes Alicia a stunning offer which causes her to reconsider her plans to leave the firm. Also, the partners take action when Diane's Supreme Court candidacy puts her at odds with her colleagues.
Alex goes under cover with a military contractor who is believed to have struck a deadly deal with another country.
Carrie and Reda fight for their client while Quinn fights against his new life. Saul and Dar suspect Keane has a secret.