The Division - Season 4 Episode 22
Somewhere In America (2) (a.k.a. Zero Tolerance (2))

Kate, Raina, Nate, Magda, and Jinny must find a way to get Stacy, the principal, and 10 students out of the school safe and sound when theyre held hostage by armed terrorists. The team meanwhile must figure out who these people are and why theyre doing this. Also, Jinny and Hank get married.