Death Hunt (1977)

Remake of the 1931 Fritz Lang original. In the city, someone is murdering children. The Police search is so intense, it is disturbing the 'normal' criminals, and the local hoods decide to help find the murderer as quickly as possible.

Unhappily married Richard Mason concocts a meticulous scheme to kill his shrewish wife so that he'll be free to marry her sister.

When his young son is viciously murdered by a classmate, a grieving father with a history of violence kidnaps the child responsible, igniting a frenzied manhunt fueled by a powerful politician -- the father of the kidnapped boy.

A bitter young man sets out to get back at the gangsters who murdered his father.

Alex is going through a midlife crisis and it has become a very difficult time for him. His marriage is struggling, he's worried about his son, and his job of killing people for his family has become the most stressful part of his life. He seeks the help of a therapist and meets a woman in the waiting room that he connects with.

Lucky Luciano is one of the bosses of the Mafia. He orders the slaughter of 40 other responsibles, therefore becoming the only boss. But a few years later he is put into jail. In 1946, he got a pardon and is sent back to Sicilia. There, he begins becoming one of the chief of the Mafia. The US Army seems to refrain from interfering.

Under orders from a ruthless crime boss, a getaway driver must battle his conscience and drive an unsuspecting crew member to an ambush execution. There is a long drive ahead.

After his son is wrongly accused of kidnapping, a deacon who has just lost his wife takes matters into his own hands and fights a crooked police gang to clear him.

A psychotic man opens fire in a diner, murdering numerous people before killing himself. The survivors struggle in different ways following this horrendous event: a doctor doubts his own instincts and elects to use an experimental medical procedure on his wife, while a gambler believes he's on a lucky streak. A waitress begins engaging in promiscuous sex, and a young girl whose father is among the dead gains unexpected fame.

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.