Fear Is the Key (1972)

When his daughter is murdered, William Duncan takes the law into his own hands, setting out on a quest for retribution. After killing the street thug responsible for her death, he finds himself in the middle of a war with the thug's brother, father, and their gang, who are equally hell-bent on getting even. What ensues is a tense back-and-forth game of vengeance. By the end, William comes to find that the quest for revenge never has a winner.

After a mission goes wrong, only one of a group of mercenaries is left alive to avenge his fallen brothers.

May Munro is a woman obsessed with getting revenge on the people who murdered her parents when she was still a girl. She hires Ray Quick, a retired explosives expert, to kill her parents' killers. When Ned Trent, embittered ex-partner of Quick's, is assigned to protect one of Quick's potential victims, a deadly game of cat and mouse ensues.

An unconventional undercover Chicago cop and his partner are recruited to commit the murder of a New Orleans criminal kingpin.

To stop an arms dealer from unleashing a deadly superweapon, Ace sniper Brandon Beckett and Agent Zero are deployed to Costa Verde to lead a group of elite soldiers against an unrelenting militia. Taking an untested sniper under his wing, Beckett faces his newest challenge: giving orders instead of receiving them. With both time and ammo running low in a race to save humanity, the team must overcome all odds just to survive.

When a group of radical activists take over an energy company's annual gala, seizing 300 hostages, an ex-soldier turned window cleaner suspended 50 storeys up on the outside of the building must save those trapped inside, including her older brother.

FBI agent Jack Crawford is out for revenge when his partner is killed and all clues point to the mysterious assassin Rogue. But when Rogue turns up years later to take care of some unfinished business, he triggers a violent clash of rival gangs. Will the truth come out before it's too late? And when the dust settles, who will remain standing?

A returning war veteran, stricken with PTSD, gets trapped with his teenage sister on Boston's Tobin Memorial Bridge when a heavily armed group of ex-military revolutionaries take everyone hostage.

After learning that the death of his wife was not an accident, a former CIA Station Chief is forced back into the espionage underworld, teaming up with an adversary to unravel a conspiracy that challenges everything he thought he knew.

A drifter with a mysterious past arrives in a small town and finds the residents in the grip of a ruthless crime boss and realizes he has to help them.