Se7en is a 1995 crime thriller film from director David Fincher (
Fight Club, The Social Network) about 2 Detectives solving the murders of a serial killer who kills due to the belief of the 7 deadly sins. The film was a commercial (grossing $327.3 million at the box office) and critical success.
New York City, Homicide Detective Somerset (Morgan Freeman) is retiring in the next week is partnered with the rookie Detective Mills (Brad Pitt). They find a massively overweight man who died after being forced to eat himself to death, without any leads they get a call the next day to a defence lawyer who died after being forced cutting off 7 pounds of his flesh.
The 2 Detective believe the murders relate to the 7 deadly sins; Gluttony, Greed, Sloth, Lust, Pride, Envy and Wrath.

The detectives find a paedophile barely clinging to life after being strapped to a bed for a year. After the Detectives follow a lead and have a shootout with the killer at his apartment, in which the killer spared Mills' life after holding him at gunpoint. They find the victims of Lust; prostitute is killed after a man is forced to rape her with a modified BDSM suit, and Pride; the killer cuts off the model's nose and she commits suicide after deciding she cannot live with her disfigurement. The killer-John Doe (revealed to be Kevin Spacey) hands himself in at the police station, through his lawyer Doe will show the only the Detectives the bodies of his next 2 victims if they accompany him there or he will plead insanity.
Doe takes them on a long trip into a desert in which he makes cryptic comments towards Mills and also says he only killed to prove the world is full of sin. Doe makes them stop in a remote area, Somerset stops an approaching van which contains the head of Mills' pregnant wife, Tracy. Doe himself represents Envy as he was jealous of Mills' life, Mills breaks into a rage and repeatedly shoots Doe making him represent Wrath. The film ends with Mills being escorted away and Somerset quoting "'The world is a fine place, and worth fighting for'...I agree with the second part."