Brand new series: The precinct goes into lockdown at Thanksgiving when a mysterious powder-filled package is delivered to the building. Peralta, who has been left in charge because Holt and Jeffords are out of the office, is confident that he can keep morale high and avoid any chaos, but things soon spiral out of control., A confident Jake is left in charge of the precinct when it goes into lockdown on Thanksgiving night, and while he tries to keep things positive, uncontrollable forces are transpiring against him., The precinct goes into lockdown at Thanksgiving when a mysterious powder-filled package is delivered to the building. Peralta, who has been left in charge because Holt and Jeffords are out of the office, is confident that he can keep morale high and avoid any chaos, but things soon spiral out of control., Peralta is left in charge of the precinct at Thanksgiving because Holt and Jeffords are out of the office, but chaos ensues when a mysterious powder-filled package is delivered to the building.