While holiday shopping, Barnes and Jess are caught in the middle of a mall shooting; Gaines, Hana and Ortiz try to help from the outside, knowing their team's family members are inside and at risk.
The team pursues an abusive man who is on the hunt for an ex-girlfriend trying to escape him; Jess and Sarah make plans to take their dream vacation together.
The Fugitive Task Force races to catch the culprit threatening Manhattan with a dirty bomb. Meanwhile, Ray prepares to celebrate a major life milestone as his wedding to Cora approaches.
The team welcomes a new member as they begin their hunt for a repeat offender and the child he kidnapped after murdering the boy's single mother. Also, Jess tries to move past the awkward exchange he had with Sarah during their last encounter.
Jess and the Most Wanted team head to Tennessee to track down an undercover DEA agent who appears to have turned dirty amid a major drug ring operation. Also, Sarah wonders if it was a mistake to move in with Jess and Tali so soon.