The Amazing Quest of Ernest Bliss

Ernest makes the bet after Dr. Aldroyd bluntly tells him he is suffering from "too much money" and suggests he would be cured by living for a year on a few pounds per week. Ernest is so insulted by this diagnosis that he wagers £50,000 that he can survive a full year earning and living on pennies without touching his inherited millions.

The film opens with Ernest feeling out of sorts for no discernible reason, hinting at his underlying discontent before the bet is proposed.

After three weeks without a single sale and warnings from Frances that Masters' company might collapse, Ernest invests £500 of his own money into a publicity stunt: he offers free meals cooked on the Alpha stoves to the public. This demonstration attracts a wholesale buyer who orders 100 stoves with potential for 40,000 yearly orders if the trial succeeds.

When Masters offers Ernest a partnership in the company after the successful publicity stunt, Ernest resigns instead. He chooses to prove himself through other means rather than accept the easy path, wanting to continue testing his ability to survive on a modest income as part of the original wager.

Dorrington arrives at Ernest's Regents Park flat with a henchman to forge Ernest's signature and cash a £30,000 cheque. He offers Ernest's chauffeur a share of the fortune in exchange for helping execute the plan. Ernest discovers the plot, retrieves blank papers from his safe to foil the forgery, and reveals his true identity, leading to a scuffle where Dorrington escapes with a worthless envelope.

The timeline notes Dorrington was aided by Clowes's earlier misstep, referencing how the valet's mistake created this vulnerability.

Frances's mother arrives with alarming news that Frances's sister will die unless she is taken to a winter resort in Switzerland for treatment. Desperate for money to save her sister, Frances contemplates accepting Masters' earlier offer of marriage, which would provide the necessary funds. She leaves Ernest without explaining the true reason for her departure.

When Frances takes a job with Montague, who expects more than a secretary from her, Ernest disables Montague's car to prevent the shady rendezvous. He then drives Frances to confront Montague's dishonorable intentions, confirming his suspicions and removing Frances from the exploitative situation.

After being dismissed from the company, the manager also fires Bill Bronson for standing up for Ernest. This prompts Ernest to buy the company outright, fire the disloyal manager, and install Bill Bronson as the new manager. The move gives Ernest control over his future and demonstrates his growth from struggling worker to business owner.

Seven months into the wager, Ernest works as a chauffeur for Dr. Aldroyd during a late-night medical emergency. Driving the doctor home to Harley Street, Ernest reveals his true identity. The realization that almost seven months have passed shifts the stakes of their original bet, making the timeline a pressing concern for both men.

The timeline earlier established that Ernest took a job as a chauffeur, setting up this re-encounter with the doctor.

Ernest tracks down Frances after she leaves him, discovers the truth about her sister's life-threatening condition and her reason for considering Masters' proposal. He resolves the crisis by providing the needed funds himself, then marries Frances, combining his personal victory with the successful completion of his year-long wager.

When Ernest falls behind on rent at his Stepney Green attic room, Mrs. Heath proves warm and sympathetic rather than harsh. Despite Ernest's vague explanation for his money troubles, she shows understanding of his predicament, providing a contrast to the privileged life he left behind.