Raina tries to why D.J. a baseball player is accused of Rape, but Raina is almost taken off the case because Johnny (Raina's Boyfriend is a friend of the baseball player. Magda gets a surprise from Gabe a divorce. Now they must figure out to tell Ben.

The Division is on the hunt for a serial killer who left a body in a local landfill. Another missing woman supposedly left a message on her computer that read ""I am okay"".

Stacy gets a surprise visit from her former fiance and tries to explain why she left him at the altar. The missing woman's therapist tells Kate that she believes one of her patients may have had something to do with the disappearance of her.

Raina meets Johnny's former girlfriend who asks that Raina stop dating Johnny so she can go back to dating him.

The inspectors try to figure out why a high school student was shot. The principal of her school doesn't believe that it is a serious problem. Later, a car is set on fire in the school parking lot. Jinny talks with Hank about having their wedding held at her father's home and trys to convince him to let Casey and his partner get married there as well. The detectives discover a cryptic website with horrific threats that will keep you in suspense until part two of this two parter.

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 they're held hostage by armed terrorists. The team meanwhile must figure out who these people are and why they're doing this. Also, Jinny and Hank get married.