Part 1 of 2. Watson begins her new job as an in-house investigator for an insurance firm, but her attention shifts when she joins Holmes to eliminate an imminent threat to Kitty.
A Congressman holds the key to stop Decima from activating Samaritan, and Reese poses as a Secret Service agent to get close to him.
Francis leaves Washington in the middle of negotiations over the education bill in order to take care of a thorny issue in his home district in South Carolina.
A dangerous criminal that Danny put away seeks his revenge by kidnapping Jackie. Jamie gets a new partner. A young officer accidentally shoots an innocent man.
Elizabeth alarms Peter when she listens in a conversation between neighbors mentioning prison and payday. When he doesn't find anything, Elizabeth enlists Neal and Mozzie's help to start her own investigation.
The investigation into an illegal social club fire which claimed 53 fatalities leads to a connection between arson, undocumented immigrants and the sale of green cards.