Preparing the Summer Events Catalog, Leslie (Amy Poehler) decides to take Ron (Nick Offerman) and the past directors of the Parks Department out for a picnic lunch. Tom (Aziz Ansari) enlists the help of Ann (Rashida Jones) and Mark (Paul Schneider) to pose for the cover photo. Nick Offerman, Chris Pratt and Aubrey Plaza also star.
Frasier and Niles are upset when they learn that they're investors in the company slated to demolish their father's favorite hangout.
As the BAU searches for a vigilante killer in Cleveland, Rossi seeks out his former Marine sergeant who is missing. Also, the secret JJ has been keeping from the team may be catching up with her.
At a swanky fundraiser, attended by the sheriff, a woman turns up dead in the pool.
Rush and the team to reopen a 1976 case involving an overmatched fighter who died moments after suffering a terrible beating in a bout that should have been stopped. As the detectives investigate why the underdog boxer was essentially allowed to die in the ring, they discover several people with solid motives.