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Dr Nookey, disgraced, is sent to remote island hospital. Staff member Gladstone Screwer gives him secret slimming potion. Nookey flies to England for fame and fortune. Others try to cash in or bring him down.

Dr Nookey is disgraced and sent to a remote island hospital. He is given a secret slimming potion by a member of staff, Gladstone Screwer, and he flies back to England to fame and fortune. But others want to cash in on his good fortunes, and some just want him brought down a peg or two.—Simon N. McIntosh-Smith <Simon.N.Smith@cs.cf.ac.uk>

Largely follows the exploits of three people associated with the British medical profession. The first is Dr. Jim Nookey, who admits he has a wandering eye for the pretty girls, and seems to cause one incident after another at Long Hampton Hospital where he is a resident. That wandering eye settles on an actress/model with the stage name Goldie Locks, whose bombshell persona masks a true girl next door which is the primary reason Jim would not settle for her despite his obsession. The second is Jim's superior, Dr. Frederick Carver, a sexually inexperienced but professionally ambitious man. While Carver's associate Dr. Ernest Stoppidge does whatever he can to have Jim fired for his misdeeds, Carver does whatever he can to keep Jim on to assist him with the third, wealthy Ellen Moore, a philanthropist who Carver is attracted to sexually but who he is attracted to more for her money and what she could finance of his pet projects. Added to the mix is elderly mentally incapacitated patient Miss Armitage, with who Jim seems to get into one compromising position after another much to her horror, and Gladstone Screwer, an orderly at one of Miss Moore's tropical medical outposts who becomes more silent a non-partner in a lucrative venture than he would like. Mayhem ensues.—Huggo

A disgraced Doctor James Nookey (Jim Dale) is sent to a remote clinic on an inhospitable tropical island where he learns of a native slimming potion. Nookey used to work at a reputed NHS hospital with Head Surgeon Doctor Frederick Carver (Kenneth Williams) as head surgeon and Doctor Ernest Stoppidge (Charles Hawtrey) as his colleague. Matron of the nurses (Hattie Jacques) is disapproving of Nookey's antics. Miss Fosdick (Patsy Rowlands) is Carver's secretary. Nookey is clumsy and awkward and frequently runs the female patients the wrong way inside the hospital premises. Ellen Moore (Joan Sims) is a rich patient who was operated upon by Carver for appendix removal. Carver wants Moore to make a donation to his medical foundation, but she refuses unless Carver helps her find a resident doctor for one of her tropical island clinics.

A hot young model Goldie Locks (Barbara Windsor) is admitted to the hospital. She was wearing her modeling clothes (which were barely covering her private parts) when admitted. Nookey examines her but cannot resist the sexual innuendos. While taking her x ray, Nookey short circuits the equipment (he was trying to impress Goldie by showing off the capabilities of the equipment, which he did not know how to operate) & nearly brings the hospital down. The hospital electrical equipment was knocked out as a result and it took 24 hours to restore them back to normal.

At a staff party, Stoppidge mixes surgical alcohol in Nookey's drinks. The drunk Nookey ends up crashing through a window on a hospital trolley, after he had almost got into bed with a patient (He suggests that Goldie can stay in a private room at the hospital, but Stoppidge had already assigned it to a female patient who already had a run in with Nookey. While, Nookey goes to get her Pajamas, Goldie leaves the hospital as she was not comfortable staying the night, and Nookey ends up in the room with the patient, in her bed). Goldie leaves Nookey, as the latter is not interested in marriage. Carver sends Nookey to the Beatific Islands, where it rains for nine months of the year, as a punishment. Gladstone Screwer (Sid James) is the medical mission orderly at the tropical island where Nookey ends up

Gladstone is a slimy operator. He has used all the funds sent by Moore to buy booze and lives a lavish life with 5 wives and a bunch of kids. Gladstone wants to be left alone & is angry that Moore has sent yet another doctor to the mission. He plans to get rid of Nookey by making him depressed & addicted to booze. He then writes to Moore and Carver that Nookey is nothing but a drunken bum & not of any help to the local community. Moore threatens Carver to pull her funding if he doesn't fix it. Carver decides to visit the island himself, but his ship has an accident in a hurricane, and he is marooned on a different tropical island for 3 months.

Meanwhile, all by accident, Nookey finds that the local witch doctor (actually it was Gladstone who brewed it) brews a concoction of herbs that acts as a slimming agent and makes people lose weight very quickly. Nookey sees the potential to make money, secures a large supply and returns to London to become filthy rich and hires a sexy secretary.

Carver comes back to England after 3 months to find that Matron is working for Nookey, Stoppidge has been promoted to Carver's job & Nookey is rich & in partnership with Moore. Nookey finds success running a lavish slimming clinic. However, his former professional rivals who had been instrumental in sending him away in the first place now want a slice of the profits, as does the real discoverer of the slimming potion. Goldie comes back to Nookie again.

Gladstone quickly discovers that Nookey is making a fortune from his serum, and cuts off his supply to deliver the serum in person and get in on the action. Gladstone arrives demanding 50% share of the profits in exchange for the next supply of potion. When Nookey refuses, he gives Nookey a serum bottle that seems different to Nookey.

Carver wants to get into a partnership & when Nookey refuses, he sends in Stoppidge, disguised as a fat woman, to steal the formula. Nookey recognizes Stoppidge. Nookey unleashes the lusty Gladstone on Stoppidge, plus Stoppidge has to undress in the middle of all the women in the clinic and has to share a room with Moore. All of this pinches his sensibilities.

In reality Gladstone had given a serum that induces a sex change in women. Nookey finally gives in & makes Gladstone & Carver partners. The movie ends with Nookey and Goldie getting married at the Moore-Nookey-Gladstone-Carver facility, and the rest of the staff of the Long Hampton Hospital becoming friends again.