The Dunphys travel to New York, while Mitch, Cam and Lily visit the Midwest, and Jay, Gloria, Manny and Joe go to Mexico; the family gets together for Father's Day.
Jess panics when her sister, Abby, decides to stay in Los Angeles and sets her eyes on one of the loftmates. Meanwhile, Winston procrastinates about checking his test results for the LAPD entrance exam.
When a hero emerges from the wreckage of an explosion in Indianapolis, the BAU team members must protect him as they try to identify the person responsible before more bombings occur.