Following

Following is a 1999 British neonoir crime drama film written and directed by Christopher Nolan. It tells the story of a young man who follows strangers around the streets of London and is drawn into a criminal underworld when he fails to keep his distance.

A struggling, unemployed young writer credited as The Young Man takes to following strangers around the streets of London, ostensibly to find inspiration for his first novel. Initially, he sets strict rules for himself regarding whom he should follow and for how long, but he soon discards them as he focuses on a wellgroomed, handsome man in a dark suit. The man in the suit, having noticed he is being followed, quickly confronts the Young Man and introduces himself as Cobb. Cobb reveals that he is a serial burglar and invites the Young Man who tells Cobb his name is Bill to accompany him on various burglaries. The material gains from these crimes seem to be of secondary importance to Cobb. He takes pleasure in rifling through the personal items in his targets flats and drinking their wine. He explains that his true passion is using the shock of robbery and violation of property to make his victims reexamine their lives. He sums up his attitude thus You take it away, and show them what they had.The Young Man is thrilled by Cobbs lifestyle. He attempts breakins of his own, as Cobb encourages and guides him. At Cobbs suggestion, he alters his appearance, cutting his hair short and wearing a dark suit. He assumes the name Daniel Lloyd based on the credit card Cobb gives to him and begins to pursue a relationship with a blonde woman whose flat he and Cobb burgled. The Blonde turns out to be the girlfriend of a smalltime gangster known only as the Bald Guy whom she broke up with after he murdered a man in her flat. Soon, the Blonde confides that the Bald Guy is blackmailing her with incriminating photographs. The Young Man breaks into the Bald Guys safe, but is caught in the act by an unidentified man. He then bludgeons the man with a claw hammer and flees with the Bald Guys money and photos. Upon returning to his flat, he finds that the photos are innocuous modeling shots. ........

Source: Wikipedia