It's August 1999. For twelve-year-old Michael Rosario, life at Fox Run Apartments in Red Knot, Delaware, is as ordinary as ever—except for the looming Y2K crisis and his overwhelming crush on his sixteen-year-old babysitter, Gibby. But when a disoriented teenage boy named Ridge appears out of nowhere, Michael discovers there is more to life than stockpiling supplies and pining over Gibby.

When Grady and his dad learn that the town oddball, Eudora "Kooky" Klinch, left something for them in her will, they can only imagine what it might be. When it turns out it's an old scrap of 300-year-old tapestry, they are bitterly disappointed. But the cloth comes with a note saying, "This is no ordinary piece of needlework. It's a treasure map. Riddles and Clues. To the victor go the riches." Grady's dad dismisses it, but Grady thinks this could be the chance of a lifetime.

When eleven-year-old Hank’s mom doesn’t come home, he takes care of his toddler sister, Boo, like he always does. But it’s been a week now. They are out of food and mom has never stayed away this long… Hank knows he needs help, so he and Boo seek out the stranger listed as their emergency contact. But asking for help has consequences. It means social workers, and a new school, and having to answer questions about his mom that he's been trying to keep secret. And if they can't find his mom soon, Hank and Boo may end up in different foster homes—he could lose everything.

Twelve-year-old Dory Byrne lives with her brothers on New York City's Lower East Side, waiting impatiently through the darkest hours of World War II for her pop to come home from fighting Hitler. Legally speaking, Dory's brother, Fish, isn't old enough to be in charge of Dory and her younger brother, Pike, but the neighborhood knows the score and, like Pop always says, "the neighborhood will give you what you need." There's the lady from the bakery, who saves them leftover crullers. The kind landlord who checks in on them.

Precocious Katy Thatcher comes to realize what a gentle, silent boy did for his family. He meant to help, not harm. It didn't turn out that way.