Sue meets Amanda, who tells her she saw a kidnapping. Everyone has trouble believing the story except Sue. Sue first met Amanda at Career Day some years ago. Myles meets Nora who wants to write a book on him. Sue learns someone died of Ricin poisoning by Castor Beans. To make sure her story is true, Amanda see the kidnappers again (after sneaking out of her home) she plants a tracking device. Tara gets a note that terrorists know where Amanda lives, Amanda's dad wants help in communicating with Amanda. Myles gives Nora an idea for her book, she wants to focus on Amanda and get to know Myles.

The gang gets word of another shooting making this attack the third one in two days. Jack tells Sue that he was a Sniper before working for the FBI. Sue then gives Jack a report that tells only about the barrel of the gun used but not the type of gun used. Just as Jack goes to rest he learns the Mayor was shot. When Jack gives a press conference he gets the idea to make himself a target in hopes catching the sniper. Sue goes to the dance with David, but Jack doesn't want Sue to worry about the case.

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.

The Boys are apart of an online bachelor auction, soon Myles gets the most bids for charity. Sue tries to honor a dying mother's wish, to find out who killed her daughter Julie. The FBI talks to Brian Cooper who killed Julie because she helped rob the bank. Sue learns that there is sometimes a limit to how much justice is allowed by law.

To solve there latest case Jack & Sue pretend to be a married couple. They need to find out why Joseph and Betty are funding terrorist acts. Sue meets Betty and learns she donates time to service dog charities. They try to come up with answers to questions Joseph & Betty might ask. As Sue tries to read Joseph's lips, Jack finds himself in love with Sue. Jack learns Sue is a great cook. Levi also falls in love. Miles hurts his car while tracking Joseph. The man Sue & Jack are tracking is assuming a dead man named Joseph who died in 1996 of a heart attack. Myles learns that one of the Virginia College students is planning to spread Bubonic Plague all over Washington D.C.

The FBI worries that an upcoming march could be the target of a possible terrorist attack. Sue tries to enlist Betty's help in trying to capture her husband. Jack and the gang find where the Bubonic Plague was stored and how Joseph maybe spreading it. As Betty learns more about her husband she understands that Sue was right about him.

Tara decides to get her hair done, but soon a robber holds up the salon. Tara tries to go about business but has trouble dealing with what happened. Tara wonders if she should leave the FBI because she shot someone for the first time. Amanda (Sue's friend) finds a lost dog and wants to keep it.

Sue gets a taste of political life in Washington when she meets a congressional aid named Paul Minton, Sue looks into the past of Liz Bradley who was a Journalist. Sue questions Brian (who liked Liz) he says he shot her. Brian's Sister Shelly believes he was setup. Sue gets mad when the ad she made tells people who to vote for. Sue and Jack discover why Brian couldn't have killed Liz Bradley.

A woman offers Jack, Sue & Bobby someone big Johnny ""Red"" Moreno who laundered money through KBJ investment group through a poker game. Bobby risks his job to get the bad guy. Sue and Lucy try to figure out why Levi is acting oddly. Sue and Lucy learn that Levi's Flee medicine is making him act odd. The next day Levi takes the wrong pill leading him to act strange and force sue to continue to live her life without Levi after he runs away.

Sue helps look for Katie who was kidnapped from Gallaudet University. Sue & Jack question Lance who says he didn't kidnap Katie. Sue & Jack don't believe the story. Sue learns that Katie was adopted and found her biological mom after 19 years.

Lucy's Grandmother stops by with bad news. Mrs. Dotson will need to leave home and pay $110,000 to have them fixed. Lucy, Sue and Jack plan to stop Concove Construction by moving into a house the document as needing no repairs making Sue the homeowner and pay for repairs she can't afford. Lucy comes home to the smell of smoke leaving Lucy and Sue wondering why they smell smoke. Alice (Lucy's Grandmother) thinks the oven caused the smoke. In other news Levi lost his little companion Bunny in the end they cant find it so the F.B.I chip in to get Levi a new Bunny.

The team tries to stop a terrorist attack on Washington D.C. As Jack tries to stop the Al Qaeda leader, he learns that his methods come into question when a Civil Rights complaint is filed against him.

When an acquaintance of Sue sees who she thinks was a concentration camp guard in World War II, Sue begins to investigate, looking for the man with little evidence to go on. Meanwhile, Myles, Bobby, and Dimitrius battle against Randy over travel expenses.

Sue meets Jack and Bobby's FBI Mentor when he brings the team in on a case to sting a North Korean terror group - but Sue discovers that things are not as they seem. Meanwhile, Lucy reconnects with her old high school love - with surprising results.

Sue and Dimitrius put an operative in the field to take down an illegal arms sale - but when the encounter gives them a chance to land an even bigger fish, Dimitrius goes undercover as the bait. Meanwhile, Dimitrius' wife Donna has some unexpected news of her own.

Sue and the team must infiltrate a Chinese drug-smuggling ring, requiring Bobby to go undercover at the gang leader's nightclub - as an Elvis impersonator. And Sue learns that her friend Troy has an estranged brother - and that the estranged brother has a secret.

When the members of a think tank are found shot dead, Sue and the team track down the sole survivor - but is he a possible future victim or the murderer? By accident, Sue ends up in the fleeing man's car. And Sue teaches Levi some new tricks - or maybe he's teaching her.

Investigating a 5-year old murder, the team automatically links the killing to a group of drug dealers, but further investigating draws them towards another killing that occurred just months before the first. Meanwhile, Myles attempts to improve his neighborly relations.

In order to solve a case involving two men shot with the same gun, Sue and Jack go undercover to the law firm that the two men both worked at. With Myles' sister also working at the law firm the agents get deeper and deeper into the facts of the case.