When Jake makes an arrest without a lot of proof, he only has 48 hours to collect evidence, or else the "perp" will be released. After his unsuccessful interrogation of the suspect, Jake forces his co-workers to spend their weekend helping him crack the case. So, while the team is stuck at the precinct, Charles judges a pie contest between Gina and Rosa, and Holt helps Terry look better in the eyes of his in-laws.
Spoilers ahead. Coverage follows the scope labeled below.
Complete story — includes the ending
Jake has 48 hours to collect evidence on an arrest he made without much proof, or the "perp" Dustin Whitman will go scot-free. After an unsuccessful interrogation, Captain Holt forces the squad to spend the weekend helping Jake solve the case. It is revealed that the real robber is another man who is working with Dustin using his MO and then splitting the loot. With the team stuck at the precinct, Charles judges a pie contest between Gina and Rosa.