12 year old Harmony Parker is obsessed with animals. She and her best friend Tom have set up an amateur vetinary practice in a small tent in her back garden yet her parents won't allow her to have a pet. However, hopes of a pet are in sight when Harmony's eccentric and mysterious Uncle Ginger pays her family a brief visit and leaves her with a deceptively normal looking 50 pence piece. Harmony soon discovers that the coin posseses wish granting powers and learns through the course of the series to be careful what she wishes for.
Harmony's first wish from her magic 50p coin is for a rabbit. However, she soon find that her family don't share her enthusiasm for Anita the rabbit. Harmony wishes for her family to change but soon learns that different is necessarily better.
Chaos is caused after Mrs. Parker spend Harmony's magic 50 pence piece. Harmony successfuly recovers it and wishes for a bike. However, with the bike come other things and the results leave Harmony in the doghouse with the rest of the Parker household.
Harmony's precious coin goes missing and a 'kidhunt' ensues. When Harmony discovers that her sister Melody is the cause she vengefully wishes Melody into a rather hairy situation!
The prospect of returning to school after a blissfully unrestrained summer does not sit well with Harmony Parker. She eagerly uses the power of the Queen's Nose to get time off school but somehow ends up in the children's ward of the local hospital. Whilst in hospital, not only do the hospital staff discover that trouble and chaos love Harmony but she makes amends with her sister Melody and grants her wish.
Harmony and Melody are living with their Aunt Glenda on a canal barge, uncomfortably close to Grobbler, a scrap metal merchant, and his revolting son Gus. Harmony discovers Dino, a cheeky young tearabout, secretly living in the hold. Dino has found Harmony's magic 50p coin but she refuses to believe that it is able to grant her wishes.
Gregory and Harmony set up a garden centre together but the plants wither and Harmony decides to use the magic coin to make them grow. Soon the plants are monstrous singing creatures and the garden centre is transformed into a theme park. Dino discovers that Gus wants to kill Puddle so, courtesy of the Queen's Nose, he is soon covered in warts.
Aunt Glenda is convinced that Dino is a boy, and Harmony discovers a talent for pet therapy and decides to set up a centre. Melody is annoyed that Gregory no longer fancies her, while Dino is annoyed at having to work hard.
Gus threatens to blow up the garden centre when Melody rejects his advances. Rod, a fashion photographer, wants to photograph Melody who practises for her photo shoot by making up Gregory. But the makeover has some unexpected consequences.
Harmony and Dino are brought closer together when they discover they are cousins.
Dino tells Harmony about Block, a shady Fagin type who used her as an artful dodger.
Mr and Mrs Parker return from Australia to set up a foster home, and when one of the foster children gets hold of the coin, the Queen's Nose begins to influence the household in unpredictable ways. In this edition, an overworked Arthur gets more than he bargained for when he wishes that he could be in more than one place at a time. Fortunately, Harmony is on hand to explain the significance of the coin to Sam.
The Parker family are busy preparing for Harmony's going-away party. Sam longs to find her real mother, and is hopeful that the Queen's Nose will be able to help her. Pansy, however, has other plans for the coin, wishing for an endless supply of ice cream - with very messy results.
Jordan accidentally puts on Sam's coat - with the Queen's Nose in its pocket. Bored and cross, Jordan wishes that life could be more like television - and before long, everybody is talking and behaving like characters from a television programme.
In an attempt to catch the eye of Sean, the hunky lifeguard at the local swimming baths, Melody agrees to take part in a charity fashion show. Sam grants Jordan and Pansy one wish each, but things go horribly wrong.
When Sam rashly wishes for Audrey's problems instead of her own, the two find that they have swapped bodies. While Sam is forced to take on Audrey's responsibilities, Audrey goes skateboarding.
There's a great deal of confusion involving goats, the social services, and a suspicious Mrs Parker. And the coin's last wishes are used up. Will there be a happy ending for the Parkers?
When the foster house burns down the Parker family are faced with seperation. Desperate to stay together, the family camps out in the woods. With the help of the Queen's Nose - the unpredictable magic 50p - they try to come up with a solution to their housing problem. Nick finds the Queen's Nose, but it ends up in Audrey's hands. Jordan's sister Pansy is determined to use the coin to prove her brother's innocence.
Arthur organises a treasure hunt to cheer everyone up. When Nick wishes for real treasure, he finds himself pursued by a pirate. Pansy wishes for everyone in the world to disappear - and is left on her own. Arthur and Audrey find an abandoned baby, which they decide to keep.
Sophie manages to conjure up a magical barn, which appears to be haunted by the ghosts of highwaymen. Pansy hides Jordan in the woods, and Nick threatens to tell. Melody loses baby Treasure, but she is soon found in an abandoned bus, which the Parkers set about turning into a new home.
A surprise picnic is organised for Sam's birthday. Simon, son of Sir Cedric Barkhouse, is smitten with Melody. Sam wishes that the day would never end, and it starts to repeat itself. She comes to the conclusion that Nick may have started the fire.
When Sam's wish to hear other people's thoughts comes true, she realises that Simon is only marrying for money. Sam enlists the help of Gregory, Melody’s ex-boyfriend, to try to do something.
The Parkers are housed temporarily in the church hall and are facing separation. Nick is determined to prove that he was not responsible for the fire, and makes a wish to be transported back in time, intending to record the disaster with a video camera.
Sam uses the Queen's Nose to improve a run-down ghost train at the local fun fair - with disastrous consequences. Meanwhile, Gregory and Melody find themselves looking after the boy from next door when his father is taken away by the police. Gregory is still trying to come up with the ultimate invention, and Melody's is about to launch her music career.
The girls decide to advertise themselves as a help agency to the local community to keep themselves busy.
Following Gregory's on-set antics, Melody's video is a disaster.
Despite Melody's musical success there is still not a lot of money to go around, so Sophie decides to wish for lots of money. Share this page
Melody prepares for her appearance on Top of the Pops. The Helping Hands agency has some grotty jobs lined up for the girls. And Jack's search for the money does not go according to plan. Share this page
Melody is in a permanent bad mood after the pop show debacle.
Shortly after going to live with his grandfather, aunt and cousin Gemma at their shop, Jake finds the Queen's Nose and discovers its powers by accidentally giving his ferret the power of speech.
Jake wishes to become the coolest boy in school, with surprising results. Meanwhile, Chief gets hold of the Queen's Nose and inadvertently wishes for an extra pair of hands to help around the shop.
Gemma finds out about the Queen's Nose but is sceptical, until her wish for Robin Hood to appear is granted. Carla starts salsa lessons and meets the dashing Duncan. Share this page
The children are roped into helping out at Chief's store after wishing it was busy. Jake wishes for a double to help get all his work done.
Jake and Gemma realise Duncan owns the shop that is putting Chief out of business. They try to tell Carla but she accidentally wishes that she could do her chores really quickly, and starts speeding around. When they finally get hold of her during her date, she is heartbroken.
Wesley wishes for a pound every time anyone says `it's mine', but starts gaining pounds in weight rather than money. Jake uses his final wish to be smart and witty, and goes about trying to fix things.