The FBI wants a deaf car thief as an informant. Sue must try to win his trust by talking to him through sign language.

Sue goes on an FBI and DEA task force. Has love hit Levi and Sue? Charlie and Troy try to fix something at Lucy and Sue's apartment.

Sue thinks something is wrong with Charlie, when he doesn't remember needing to change the oil in her car. Sue changes her mind as to what she thinks is wrong with him when Charlie tells her he had to get rid of some things his late wife owned.

Troy thinks Charlie may have a hearing problem, because Troy had seen Charlie yell at a customer.

In order to find a suicide bomber Bobby & Sue meet a hacker who was told to hack websites on a dare.

Sue does some digging into Troy's past only to learn that Tory's brother Ben came back into his life. Sue and Jack head to the local gas station to tell Troy that his brother Ben will be a dinner guest Tory doesn't like the idea. Also Bobby continues to perform at The Black Dragon and stop The Scorpions (a Chinese gang) from delivering heroin to The Black Dragon.

Troy gets to meet his brother's wife and his son who is deaf Troy figures that his brother just wants something from him because of his handicap. Troy is angry because his brother walked out on him as a little boy.

Sue learns that Troy is being blamed for armed robbery. Sue and Jack set out to prove whether he was part of the armed robbery or not. Darcy has gotten a job in Los Angeles and asks that Bobby go with her to Las Angeles.

Bobby and his girlfriend both realize that they've each made the decision regarding Darcy's news. Bobby and Tara begin a relationship with each other. They soon find out that they have lost their love for their respective partners.

Troy insists that he didn't do anything in the armed robbery. Sue tells Troy she believes him. Troy insists that he didn't do anything in the armed robbery. Sue tells troy she believes him. After the FBI learns of new video of the armed robbery Sue finds out Troy misled her because he is in the video.