The fifth season of Chicago P.D., an American police drama television series by executive producer Dick Wolf, premiered on September 27, 2017, and concluded on May 9, 2018.

When Olinsky gets stabbed in prison and dies from his injuries, the team are left devastated by the loss and begin conducting an investigation to find out who was responsible for the hit on their colleague as Woods looks to take down Voight once and for all.

While Woods hurts innocents for his own ambition, Voight bends the rules to put away the truly evil and dangerous.

The episode ends with an emotional Voight drinking, punching a door and breaking down as he cries, “I’m sorry, Al.

So sorry.” On May 25, 2017, it was announced that Sophia Bush would be departing the series following the season four finale,[24] while Jon Seda is set to return after the cancellation of Chicago Justice.