After the sudden collapse of her family, Mim Malone is dragged from her home in Northern Ohio to the wastelands of Mississippi, where she lives in a medicated milieu with her dad and new stepmom. Before the dust has a chance to settle, she learns her mother is sick back in Cleveland. So she ditches her new life and hops aboard a northbound Greyhound bus to her real home and her real mother, meeting a quirky cast of fellow travelers along the way.

Theodore Finch is fascinated by death, and he constantly thinks of ways he might die. But each time, something good, no matter how small, stops him. Violet Markey lives for the future, counting the days until graduation, when she can escape her Indiana town and her aching grief in the wake of her sister's recent death. When Finch and Violet meet on the ledge of the bell tower at school, it's unclear who saves whom.

When Nico Morris' older sister mysteriously disappears, her parents, family, and friends are devastated. But Nico can never admit what she herself feels: relief at finally being free of Sarah's daily cruelties. Then the best and worst thing happens: four years later, after dozens of false leads, Sarah is found. But this girl is much changed from the one Nico knew. She's thin and drawn when Sarah had been golden and athletic; timid and unsure instead of brash and competitive; and, strangest of all, sweet and kind when she had once been mean and abusive.

Los Angeles, California: Clem Jasper is a trust fund kid with a world famous rock musician for a father. When he dies suddenly (playing ping pong) she discovers he's left her a strange legacy: a series of letters that take her on a mysterious road trip around California. Ignoring her aunt's suggestion that she pitch the trip as a reality show, she embarks on her own to discover just what it was that her father meant her to find. What secret could be so powerful that he had to die before telling her?

Lina is spending the summer in Tuscany, but she isn't in the mood for Italy's famous sunshine and fairy-tale landscape. She's only there because it was her mother's dying wish that she get to know her father. But what kind of father isn't around for 16 years? All Lina wants to do is get back home. But then Lina is given a journal that her mom had kept when she lived in Italy. Suddenly Lina's uncovering a magical world of secret romances, art, and hidden bakeries. A world that inspires Lina to follow in her mother's footsteps.

Seventeen-year-old Annika Truman knows about the power of positive thinking. With a little brother who has cancer, it's all she ever hears about. And in order to help Jeremy, she will go to the ends of the Earth (or at least as far as Hollywood) to help him believe he can survive his upcoming surgery. But Annika's plan to convince Jeremy that a magic genie will grant him any wish throws her a curveball when he unexpectedly wishes that his television idol would visit him.

When Margo Roth Spiegelman beckons Quentin Jacobsen in the middle of the night - dressed like a ninja and plotting an ingenious campaign of revenge - he follows her. Margo’s always planned extravagantly, and, until now, she’s always planned solo. After a lifetime of loving Margo from afar, things are finally looking up for Q...until day breaks and she has vanished. Always an enigma, Margo has now become a mystery. But there are clues. And they’re for Q.

Sometimes life doesn't take you in the direction you expect. Colleen Bradley is married with a teenage son, a modest business repurposing and reselling antiques, and longtime fear that she was not her husband's first choice. When she decides to take a road trip down the east coast to check out antique auctions for her business, she also has a secret ulterior motive. Her one-woman mission for peace of mind is thrown slightly off course when 16-year-old Tamara becomes her co-pilot.

When Travis returns home from Afghanistan, his parents are splitting up, his brother's stolen his girlfriend and car, and the nightmares of his best friend getting killed keep him completely spooked. But when he runs into Harper, a girl who despises him for rumors Travis started back in middle school, life actually starts looking up. And as he and Harper see more of each other, he falls deeper in love with her and begins to find his way through the family meltdown and the post-traumatic stress.

Fallon is Type A, looks before she leaps, and always has a plan (and a backup plan). Chloe is happy-go-lucky, flies by the seat of her pants, and always follows her bliss. The two girls used to be best friends, but last summer they hooked up right before Chloe left for college, and after a series of misunderstandings, they aren’t even speaking to each other.

For Penny Lee high school was a total nonevent. Her friends were okay, her grades were fine, and while she somehow managed to land a boyfriend, he doesn't actually know anything about her. When Penny heads to college in Austin, Texas, to learn how to become a writer, it's 79 miles and a zillion light-years away from everything she can't wait to leave behind.

Four teens across the country have only one thing in common: A girl named Leila. She crashes into their lives in her absurdly red car at the moment they need someone the most. There's Hudson, a small-town mechanic who is willing to throw away his dreams for true love. And Bree, a runaway who seizes every Tuesday - and a few stolen goods along the way. Elliot believes in happy endings…until his own life goes off-script. And Sonia worries that when she lost her boyfriend, she also lost the ability to love.

While Ben and Ro found happiness as a couple in part 1, Ben's obsession with his sister's murderer continues to consume him. Now, on Christmas day, he will make his way to Berkeley, hoping to find answers before the killer strikes again. Will Ben and Ro find the missing pieces before it's too late?

Amy Curry thinks her life sucks. Her mom decides to move from California to Connecticut to start anew - just in time for Amy's senior year. Her dad recently died in a car accident. So Amy embarks on a road trip to escape from it all, driving cross-country from the home she's always known toward her new life. Joining Amy on the road trip is Roger, the son of Amy's mother's old friend.

Sarah Martin had every intention of skipping her high school reunion. Once a popular girl and valedictorian, she's now pushing forty, divorced, and running a small bookstore in Nashville - not exactly an impressive life. But Sarah's best friend, Kristen, won't take no for an answer, and she won't let them return to Briley High without Roxanne, the missing third in their senior-high trio.