Through twenty-six letters to her friend Nina, twelve-year-old Kasey chronicles the often humorous observations and impressions of her unexpected, month-long stay in a geriatric ward for the treatment of a rare but treatable bone disease ("osteo-something-something-itis"). Kasey tries to make her life less dull by wearing her own nightgowns, surrounding herself with her favorite stuffies and developing an unusual exercise routine. Hospital food, insomnia and the germy communal bath are enduring sources of dread, but some new (and unexpected) friends make her life bearable.
Trevor has known since he was ten years old that he has Huntington's disease, but at sixteen he is informed that he has one year to live. One day while he's trying to figure stuff out, an old man named Plank finds him standing at a cliff by the ocean. It's the beginning of an odd but intriguing relationship. Both Trevor and Plank decide to live by Plank's Law, which is "just live." This means Trevor has to act on the things on his bucket list, like hanging out with real penguins, star in a science fiction movie and actually talk to Sara--the girl at the hospital who smiles at him.
On the last day of high school, Sophie's boyfriend breaks up with her. It turns out he thinks she is too predictable, too responsible, too mature...too boring. When Sophie turns to her best friend, Ella, for comfort and reassurance, Ella just confirms what her boyfriend has said. And that hurts even more. Then Ella comes up with a plan to help Sophie find her wilder side. In the ninety days between the end of high school and the start of university, she is going to arrange for Sophie to do amazing, new, different and sometimes scary things. The deal is Sophie has to agree to everything, no matter what. And she has to share her adventures through social media. Can ninety days of different create a different life? Can stepping outside your comfort zone help you find yourself?
Brielle and Tawni have played cello side by side in orchestras since they were nine years old. Brielle has always played second chair to Tawni's first, and she's been happy with that arrangement. When Tawni is injured, Brielle suddenly finds herself principal cellist. Not only does that mean she'll be thrust into the spotlight, but it also means she is now leader of the cello section. Brielle is terrified. Is she good enough? Will the other musicians accept her? What if she screws up? Despite her fears, Brielle rises to the occasion. Her cello skills, and her leadership skills, improve as she grows into her new role. But just as Brielle is beginning to feel confident, Tawni returns. And she wants her job back. If Brielle steps down now, she'll lose her place in the spotlight. If she doesn't, her friendship could be in jeopardy.
After another night of girls, music and booze, seventeen-year-old pop star Darius Zaire falls out of bed and lands on the cruddy floor of his old bedroom. No mansion, no luxury cars, no platinum records. Now he's just ordinary Darren Zegers. Some kind of nightmare has erased everything that happened to change Darren the dweeb into Darius the multimillionaire. Now Darius has to face an ordinary day in the twelfth grade, suffering through remedial English and wondering what happened to the last three years, let alone all his fans and money. He desperately wants to return to his old life, but he is starting to worry that maybe this is reality, and it was his other life that was the dream.
For spring break, sixteen-year-old Maya travels from Vancouver to Palm Springs to visit her grandparents, soak up the sun and play some tennis. When they surprise her with tickets to the Indian Wells tennis tournament, she can't believe her luck. This is going to be the best vacation ever. But on the way back from the match they get into a fender bender. The other driver suggests they just square up and not involve the police or insurance companies. That seems odd to Maya, especially since the passenger of the other vehicle is visibly pregnant. But because Maya was driving, her grandfather is worried about repercussions and agrees to the deal. Later, Maya and her new friend Ruby discover that similar incidents have happened to others in her grandparents' gated community. They start to investigate, and when they spot the woman from the crash working in a clothing store, and clearly not pregnant, they know they are onto something.
Sixteen-year-old Sydney hates to talk (or even think) about sex. She's also fighting a secret battle against depression, and she's sure she'll never have a boyfriend. When her classmate Paul starts texting and sending her nature photos, she is caught off guard by his interest. Always uncomfortable with any talk about sex, Sydney is shocked when her extroverted sister, Abby, announces that she is going to put on The Vagina Monologues at school. Despite her discomfort, Sydney starts to reexamine her relationship with her body, and with Paul. But her depression worsens, and with the help of her friends, her family, a therapist and some medication, she grapples with what she calls the most dangerous thing about sex: female desire.