Saw
With a dead body laying between them, two men wake up in the secure lair of a serial killer who's been nicknamed "Jigsaw" by the police because of his unusual calling card.
Diary of a Serial Killer
A struggling freelance writer, while investigating the transvestite night life, stumbles across a serial killer in action...

The Departed
Two men from opposite sides of the law are undercover within the Massachusetts State Police and the Irish mafia, but violence and bloodshed boil when discoveries are made, and the moles are dispatched to find out their enemy's identiti...
Ladder 49
Under the watchful eye of his mentor Captain Mike Kennedy, probationary firefighter Jack Morrison matures...

Jaws
When a gigantic great white shark begins to menace the small island community of Amity, a police chief, a marine scientist and grizzled fisherman set out to stop it.
The Gray Man
Obsessive manhunt to identify and capture a despicable serial killer.