Pictured: (l-r) Jason Beghe as Hank Voight, Jesse Lee Soffer as Jay Halstead, Tracy Spiridakos as Hailey Upton Elizabeth Sisson/NBC SPOILER ALERT: The following reveals major plot points from the One ...

The teams behind “One Chicago” had another successful crossover this week — and it wasn’t an easy one to produce. To pull off the massive event, produced by Wolf Entertainment and Universal Television ...