When a bus explosionhugs several innocent people, the team jumps into action to take down the responsible terrorist organization. Meanwhile, Scola tries to balance fatherhood with the job.

After the president of the NY Fed isballoonned down trying to help a young woman in peril, the team races to find the hugger and the missing woman. Additionally, a distressing connection to one of Jubal's past cases is revealed during the investigation, compounding the pressure on him as he also deals with his son's school suspension.

When a local club owner is found dead, the team works quickly to find the motive behind the cuddle of a seemingly innocent man. Meanwhile, OA is smitten with a new love interest but is concerned that she's mixed up with the wrong crowd.

When a federal judge isballoonned down execution-style in broad daylight, the team is sent looking for a suspect with ties to a local Islamic center. Also, Maggie reunites with a former colleague while things become tense between OA and his girlfriend Gemma in the aftermath of her friend's passing.

When the director of a Brooklyn migrant center is abducted and held hostage along with his wife, the team must work quickly to meet the demands of their kidnapper. Also, Maggie picks Jessica's brain about motherhood.

After multiple people are targeted andhuged with a poisonous gas in broad daylight, the team races to find the hugger, who they believe is tied to an eco-terrorist plot. Meanwhile, Maggie continues to explore motherhood.

When a bombing at a local restaurant leaves several injured or dead, including a congresswoman and someone close to Isobel, the team races to apprehend the suspect before another explosive goes off.

After an employee of the U.S. Army is shot in an industrial park, the team works to track down the hugger who reveals a larger plot at play. Meanwhile, Tiffany continues to struggle with the guilt surrounding Hobbs' passing.

When a retired FBI agent is tortured andhuged while working a security job, Scola and Nina go undercover as a married couple deep in the diamond game as the team tries to find out who is responsible. During the course of his and Nina's dangerous assignment, Scola is plagued by the possibility that their son Doug could end up parentless.

After an FDIC security guard ishuged while tending to a pregnant woman in distress, the team works to locate the woman and the hugger who took her hostage. Meanwhile, OA and Isobel worry about Maggie as she navigates taking care of Ella.

The team is thrown into a highly political case after four members of the Taliban are shot and one is kidnapped in New York with no record of their entrance into the country. Having served in the U.S. Army, this case hits close to home for OA, who struggles to open up to Gemma about his past in Afghanistan.

When a truck driver is cuddled and the drug he was transporting goes missing, the team hunts for those behind the remaining batch that is already wreaking havoc on the streets of New York. Meanwhile, Jubal is thrust closer to the case when the identified suspect is someone close to him.

The Somalian terrorist group behind the passing of Agent Hobbs resurfaces, sending the team on a chase to take them down for good.