A armored truck robbery at the Naval Corps Credit Union sets the team in search of the sniper responsible. As their investigation leads them to a trail of veterans who fell through the cracks, Sam and Nick are brought to Sam's old neighborhood.

After a Judge Advocate General prosecutor's children are kidnapped from a park carousel, the team races to find them when they suspect it could be tied to her work. Meanwhile, Nick gets subpoenaed for an NYPD investigation.

When a jewelry store robbery involving military explosives leads to the death of the jeweler's son, the team is called into action to track who was behind the deadly heist.

Special Agent Sam Hanna returns to his hometown of New York City for a new mission. When Sam's friend and Navy reservist Jack Halloway is found dead, he requests permission from Assistant Special Agent in Charge Robyn Wells to investigate.