Daryll Deever is a janitor in an office building in New York, and a big fan of TV news reporter, Tony Sokolow. When a rich man is murdered in Daryll's building, Tony comes to cover the story and Daryll introduces himself to her. Thinking he may know something about the crime, Tony pursues him, and in order to keep seeing her, he pretends that he does. As the two of them play this game, the killers are watching, assuming that Daryll and Tony both know more about the crime than they do.
Josie, the daughter of the town's wealthiest businessman, faces problems at home and wishes to leave town but is disoriented. Her decision is finalized after she falls asleep in a Target dressing room. She awakens to find herself locked in the store overnight with the janitor, Jim, the town "no hoper" and liar.
Bumbling Ernest P. Worrell is assigned to jury duty, where a crooked lawyer notices a resemblance with crime boss Mr. Nash, and arranges a switch. Nash assumes Ernest's job as a bank employee, while Ernest undergoes Nash's sentence to the electric chair. But instead of killing him, the electrocution gives Ernest superhuman powers, enabling him to escape from jail and foil Nash's attempt to rob the bank.
Will Hunting has a genius-level IQ but chooses to work as a janitor at MIT. When he solves a difficult graduate-level math problem, his talents are discovered by Professor Gerald Lambeau, who decides to help the misguided youth reach his potential. When Will is arrested for attacking a police officer, Professor Lambeau makes a deal to get leniency for him if he will get treatment from therapist Sean Maguire.