4 The Human Strain/Keeping the Faith
02.08.17
In order to prove to Harris and Grace that he's not a traitor, Darius must reveal one of his most closely guarded secrets. Also, Liam helps Jillian adjust to her new job at Tanz. Then while Darius works to discover who killed his friend Lazlo (Aaron Poole), he is forced to reckon with his past, and Liam discovers who's been selling secrets to the Russians.