Below, Olmstead drops some teasers about the finale, which is ominously titled Start Digging.

ENTERTAINMENT WEEKLY: What can you tease of Voights conflict in the season finale?

MATT OLMSTEAD:Voights son has always been a bit of a screw-up.

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Credit: Matt Dinerstein/NBC

Weve teased that Justin has come back to Chicago and Voight finds out without Justin having let Voight know.

In the finale, Justin gets shot and is clinging by a thread through the episode.

Voight is completely off the leash looking for who did it.

What does that mean for them?

What does that mean for Voight?

Voight could care less about what the ramifications are going to be.

Who will step up to stop Voight then?

It lands primarily on Lindsay, because shes close to Voight.

She is close to Justin.

She had moved in when she was 14 years old.

She knows Justin very well, hes like a brother.

Could Voight lose Intelligence over this?

He could, depending on if the fallout is such that he gets caught.

We play this scene where Antonios been here before.

Antonio definitely is the angel on Voights shoulder, so to speak.

But hes been the beneficiary of Voights policing style.

When we had Antonios son kidnapped, Voight did what Voight does and got the kid back.

The finale will end on a cliffhanger.

What can you tease in that regard?

The cliffhanger really goes down between Voight, Lindsay and the gentleman responsible for shooting Voights son.

Each participant in that little triangle has a lot to lose.

Some pay more dearly than others.

Its a struggle for Voights soul.

He lost his wife, he has his son and he has Lindsay, thats about it.

Shes trying to prevent him from going too far.

Thats not high on Voights priority list.

TheChicago P.D.finale airs Wednesday at 10 p.m. Get more scoop on the finalehere.