S4, E9: When the head of the Russian mob descends on LA to find out what really happened to Ivan Belikov, Sonia and her young daughter take refuge at the Donovan's, throwing her and Abby into uncomfortably close quarters. As both Avi and Lena question Ray's loyalty to Sonia, he must decide whether to help her or put his family and friend's lives in jeopardy. Meanwhile, Mickey seeks vengeance of his own as he returns to Primm with Bunchy and Teresa to recover his stolen money and rescue Sylvie with unexpected consequences.