Jay Halstead was a 3rd Battalion 75t. Ranger regiment in Afghanistan before becoming a detective for Chicago PD's Intelligence Unit. He lead the tour with a woman named Isabella Luzcando who was a ranger with Jay and between the two of them they lead the team flawlessly. They also had this tension between them even though they got along but always had feelings for the other but never expressed it. Also Isabella's father was their general which was a line Jay was not allowed to cross. When Jay got discharged it was the saddest day for Jay and Isabella. They lost touch now with the Chicago PD Intelligence Unit there is a major case that they need help to solve and who comes with her team to help none other than Isabella. There has been so much time between them and they both are used to doing things their own way it causes tension and old feelings to stir up. * I own nothing in the Dick Wolf and One Chicago World. Only the lead girl and any other random characters that are in the story. *
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