Em adores her funny, glamorous dad – who cares if he's not her real father? He's wonderful to her, and to her little brother Maxie and sister Vita. True to form at Christmas, Dad gives them fantastic presents, including a real emerald ring for his little Princess Em.Unfortunately he's got another surprise in store – he's leaving them. Will Dad's well-meaning but chaotic attempts to keep seeing Em and the other children help the family come to terms with this new crisis?

Fourteen-year-old Prue and her sister Grace have been educated at home by their controlling, super-strict father all their lives. Forced to wear Mum's odd hand-made garments and forbidden from reading teenage magazines, they know they're very different to 'normal' girls – but when Dad has a stroke and ends up in hospital, unable to move or speak, Prue suddenly discovers what it's like to have a little freedom. Sent to a real school for the first time, Prue struggles to fit in.

April knows she was abandoned in a rubbish bin as a newborn baby, fourteen years ago. Now she's happily settled with her foster mother, Marion – but there's a part of April that's desperate to know where she really came from, and who she really is. If only she could remember her real mother – or even find her ...

When life with Jayni's violent-tempered father becomes too frightening to cope with, Jayni, her mum and her little brother Kenny are forced to escape in the middle of the night. Slipping out of the house unseen, travelling up to London by train and checking into a hotel – it's almost like playing an elaborate game. They even make up false identities to protect their secret, and Jayni becomes the glamorous-sounding Lola Rose.

Quiet, cautious Pearl has always adored her bold, brash, bad big sister Jodie. When their parents get new jobs at a grand, fusty old boarding school, Melchester College, the girls have to move there – and when they arrive, things start to change. Jodie has always been the leader – but now it's Pearl who's making new friends. Jodie just seems to be getting into more and more trouble – arguing with Mum, scaring the little children, flirting with the gardener.

Beauty Cookson is no beauty. She's a plain, timid girl who constantly feels inferior to the super-confident, snooty girls at school. Worse than the teasing in the playground, though, is the unpredictable, hurtful criticism from her father. Beauty and her meek, sweet mother live in uneasy fear of his fierce rages, sparked whenever they break one of his fussy house rules.

You look as if you've seen a ghost!' Jade is so used to living in the shadow of Vicky, her loud, confident best friend, that when a tragic accident occurs, she can hardly believe that Vicky's no longer around. But Vicky's a sparky girl who's not going to let a small thing like being dead stop her from living life to the full! Whether Jade is in lessons, out running or tentatively trying to make new friends, Vicky is determined to make her presence felt ...

Dolphin adores her mother, Marigold. She's got wonderful clothes, bright hair and vivid tattoos all over her body – a colourful lady, to match her colourful life. But Dolphin's older sister, Star, is beginning to wonder if living with Marigold's fiery, unpredictable moods is the best thing for the girls.

Shy, mild Mandy has been bullied at school for as long as she can remember. That's why she is delighted when cheeky, daring, full-of-fun Tanya picks her as a friend.Mum isn't happy – she thinks Tanya's a BAD GIRL and a bad influence on her daughter. But Mandy loves spending time with her brilliant new friend, and is sure Tanya can only get her out of trouble, not into it ... or could she?

Ella's mum is in a deep coma, having just had a new baby. That means Ella has to live with Jack, her hopeless stepfather, and cope with her tiny newborn brother, as well as worrying about Mum. The only thing that's going right is her school project. It's all about whales and how they sing out to each other to attract a mate – sometimes for hours. Maybe a whale song could reach Mum, wherever she is, and bring her back to Ella and baby Samson. Surely it's worth a try?

It’s 1953, the year Elizabeth is to be crowned Queen of England. Elsie Kettle can't wait to go to London to see the celebrations on Coronation Day. Elsie lives with her Nan – her mum works as a showgirl, so she's not around very often. Spirited and imaginative, but often lonely, Elsie longs for a best friend. Luckily, she and Nan are very close; Elsie just wishes she was allowed a cat to keep her company sometimes.

Sylvie and Carl have been friends since they were tiny children. They've always played together, called each other boyfriend and girlfriend and, deep down, Sylvie has always believed that they'd end up married to each other. They even have a magical fantasy world that belongs to them alone.

Lily isn't home alone – but she sort of wishes she was; looking after her three younger siblings is a lot of responsibility. When Mum goes off on holiday with her new boyfriend and her stepdad fails to show up, Lily is determined to keep the family together and show they can cope without any grown-ups. But taking care of six-year-old twins, her three-year-old sister and the family's flat feels overwhelming and Lily is worried that school or social services might discover their situation and break up the family.

Gemma and Alice were born on the same day and have been devoted best friends ever since. Despite Gemma's larger-than-life personality and Alice's quieter, calmer character, the two are inseparable – until Alice has to move house, all the way to Scotland. Gemma is utterly distraught, particularly at the thought that Alice might find a new best friend. Is there anything Gem's brothers, or perhaps her Grand dad, can do to help?

"Where do baby apes sleep? In apricots! I'm Elsa, and that's one of my jokes (I tell LOTS of jokes and I'm going to be a big star one day). I do my best to cheer my family up - but no one seems to laugh much any more. Not since we lost our lovely house and had to move into a bed and breakfast hotel."