Insomnia

Detective Will Dormer arrives in Alaska during the midnight sun. A cop haunted by his past, unable to escape the constant daylight.

The theme of guilt and moral compromise. "A good cop can't sleep because a piece of the puzzle is missing."

Dormer and his partner Hap investigate a teenage girl's murder. We see Dormer's reputation, his methods, and hints of Internal Affairs troubles back home.

A break in the case. They set up a sting operation to catch the killer. The hunt begins in earnest.

Hap reveals he will testify against Dormer in the IA investigation. Dormer must decide how to handle this betrayal while pursuing the killer.

During the fog-shrouded chase, Dormer accidentally shoots and kills his partner Hap. He covers it up, blaming the suspect.

Young detective Ellie Burr begins investigating the shooting. She represents the idealistic cop Dormer used to be. Their relationship will carry the theme.

The cat-and-mouse game with killer Walter Finch begins. Dormer pursues the case while covering his tracks. Insomnia worsens in the endless daylight. The premise plays out.

Finch contacts Dormer directly. They realize they are both guilty men who need each other. A twisted alliance forms. Stakes raise as the false victory of finding the killer becomes complicated.

Ellie finds the bullet that proves Dormer shot Hap. Finch manipulates Dormer into helping him escape. Sleep deprivation causes hallucinations. Everything is closing in.

Dormer realizes Finch is setting up Kay, the victim's friend, to take the fall. His moral compromise has enabled more evil. Complete exhaustion and despair.

Dormer nearly breaks down completely. He sees visions of Hap. The weight of his guilt and exhaustion threatens to destroy him. What has he become?

Dormer decides to stop Finch and face the consequences. He will do the right thing, even if it means confessing his crime. Redemption is possible.

Confrontation on the floating logs. Dormer saves Kay and kills Finch but is mortally wounded. He confesses everything to Ellie.

Dormer dies in Ellie's arms. She covers his eyes from the relentless sun. He finally gets to sleep. Ellie must decide whether to expose his crime or let him die a hero.