A car crash results in the death of a photographer; Maggie sympathizes with his widow when she notices similarities with her own husband's death.

After an immigration agent is fatally shot at a hockey game, the team attempts to find the shooter, who they believe may also be targeting Congressman Curtis Grange, who was at the same game.

When a retired DEA agent is shot outside a bakery, the team works to determine if the victim’s past cases or current bouncer job are connected to the murder. Also, Nina and Tiffany clash over the use of an informant while they are paired during the investigation.