Daniel is in Paris enjoying his time with Miranda. But things change when a man who says he's federal agent attached to the embassy, approaches him and asks him to help them. It seems like they need him to get something that a Chinese scientist wants to give them on a secret Chinese project, But after doing it Daniel finds himself pursued by Chinese agents who tell to give back what he had or else. And when he returns to Miranda's apartment he finds it ransacked. Daniel gets a call from the man he met asking him to meet but he finds the Chinese man dead so he is arrested. Kate heads off to Paris to help him. Haley and Lewicki conspire to get Daniel to return. Written by rcs0411@yahoo.com

Pierce and Moretti search for a killer when a prosecutor dies in the middle of a courtroom; Moretti and Donnie make some decisions about their future.

After a young victim with a developmental disorder is taken hostage in a bank robbery, Moretti brings in Pierce to interview the boy. When they finally track down the culprits, they discover the case is about much more than money. Meanwhile, Pierce's estranged father James pays him a visit. Written by Jaouad El

Pierce and Moretti are investigating the murder of a girl. They learn that a woman claims to be the one who killed her and she also claims to be possessed by the devil. They go to see her and see she going through an exorcism. Kate tells the priest to stop it. Pierce doesn't think she possessed and that she killed the girl. So they take a look at her life and those who may have wanted to kill her. Kate also learns her marriage to Donny could be in trouble because the priest whom she butted heads over the exorcism is the one who is trying to help them get their first marriage annulled and now he is hesitant to help. Written by rcs0411@yahoo.com

When renowned Neuroscientist Landon Jennings is found dead, Moretti and Pierce must figure out how someone could have gained access to his impenetrable study in order to kill him. Lewicki finds himself with twice the work when Pierce's father James moves in with them. Written by Jaouad El

When an infant is reported stolen, Moretti hunts down the kidnapper and makes a very bizarre discovery. As Pierce and Moretti investigate a related murder, they find that there might be another child out there who needs their help. Meanwhile, Donnie and Moretti discuss their future together when Donnie looks into buying a house in the suburbs. Written by Jaouad El

A gallery owner dies while having a seizure caused by a video installation; Pierce must re-examine his relationship with Natalie.

The body of an FBI agent who went missing a few years ago is found. The agent was the one who replaced Kate when she moved to Washington. Daniel initially refused to work with her but she approached him about a homicide she was investigating. Daniel told her that he thinks that the killer is a serial killer but she didn't agree with him. When she went missing Daniel would go on and on that the serial killer got her. But no one believed him so he would be committed. Now he and Kate try to find out if he's right. Written by rcs0411@yahoo.com

When an FBI agent is shot by a sniper, Kate asks Daniel to help because the shooter left something behind that's strange. When Daniel looks at it he thinks the sniper was actually shooting at the X-ray machine at the entrance but when the agent's partner is killed they don't pursue Daniel's theory. But when they learn that the partner's killing had nothing to do with the initial attempt on the agent. They pursue Daniel's theory and they think the shooter is a delusional man who hates technology. They talk to a doctor who tried to help him but in the end the only advise he could give the man is go to a place in Virginia where there is no technology. So Daniel and Kate go there. Written by rcs0411@yahoo.com

Donnie wakes up next to a dead Shelby. He claims to have to memory of what happened. He's arrested and placed in jail. Kate doubts his story especially when some people say Shelby was seeing a lawyer. But Daniel sorts it out. Daniel goes to see his father at the assisted living facility ad learns he hooked up with a woman who also lives there because she thinks he's her husband. Daniel's father wants him to find the woman's husband a criminal. Written by rcs0411@yahoo.com

After Dr. Daniel Pierce suffers a traumatic injury, his father and his friend must decide if they should allow him to undergo a high-risk surgery; Pierce begins to question everything he sees and hears.

Daniel and Kate are called by another agent to help in a case involving the murder of a whole family. The agent suspects an animals rights activist group because the family's business is meat packing. Daniel doesn't think the murder has anything to do with the group but the agent tells Daniel all he wants him to do is talk to the only survivor, the daughter who was in the bathroom when it happened. Kate goes undercover to infiltrate the group. Daniel talks to the daughter who says her husband woke her up and told her that someone is in the house and told her to go to the bathroom and lock it. That's when she heard her husband stabbed. Daniel goes to see her brother who doesn't live with them who says that his parents were planning to sell the business and give what they get to charity, making Daniel wonder was anyone unhappy with that plan. Kate eventually arrests the group and when she talks to the leader and the leader claims they didn't kill the family. And says while she was at ... Written by rcs0411@yahoo.com

Pierce and Moretti undercover an international scandal while investigating the murders of a Bangladeshi diplomat and a Chicago reporter.

After a student is found murdered, Pierce tries to find the killer while defending the victim's boyfriend, who is believed to be mentally ill and guilty of the crime. Meanwhile, Pierce must confront his feelings as Kate and Donnie prepare for their wedding day.

When Moretti goes missing on the day of her wedding, Pierce and Donnie set out to find her. A dangerous person from Pierce's past abducts Kate.