Ever since the death of Betsy’s mother, her life begins to fall apart. She is forced to quit private school and move to the public school in her town, leaving behind all her friends. Her father begins to drink more and stops taking care of the house. And worst of all, he gets a new girlfriend, Abbie, who starts to try to infiltrate their lives. During a fight with her dad, Betsy learns that her mom was suffering from depression and may have committed suicide, and she starts to ask more questions about her mom’s life.
When Kevin’s grandmother passes away, he and his family find a treasure map with coordinates to a “bounty of gold” in New Hampshire. At first, they cannot believe it, but after finding out that the area of the coordinates is still forest and mountains, they set out to find the treasure. Kevin, his brother Johnny, his cousin Amy, and his Aunt Vera decide they will wait until the weather warms up a bit and then hike up to the coordinates to find the treasure. Early in the spring, Kevin realizes one day that his Aunt Vera is missing.
Ever since Zenith was found again on Earth after going missing with his sister Apogee and friend Kevin, his life has been full of questions. His parents, police, and his therapist are trying to figure out what happened to Zenith, and where Apogee and Kevin are. But how can he explain everything he went through with The Horrible Bag in GrahBhag? If he explains, everyone will think he is crazy, and then he will have no chance of rescuing his sister and friend. So Zenith keeps quiet, pretending he doesn't remember anything about how he went missing, and where Apogee and Kevin are.
Maddy and Grace have made a new friend named Mia! Together, they are brainstorming short trips to take during their summer vacation when Mia suggests going to the zoo. That way they can see the many types of animals in their habitats. The girls agree that going to the zoo would be a fun idea and ask Maddy's parents to take them. Maddy's parents agree, and the next weekend the girls visit the zoo. They are shocked to see that what was once a beautiful and lively home for animals is now a bleak place with no visitors.
Alex and Avery are two teenagers who live in the sleepy town of Cataluna Island. Every year tourists flock to Cataluna Island to enjoy the beaches, but Alex and Avery are focused on something much more important. They are both interns at the local rescue center, where they work to protect the island's turtles. When Avery finds a turtle washed up on the beach with an X written on its shell in red, he knows something fishy is going on. He tells Alex, and they investigate around town, but Alex and Avery feel like they are missing something.
Florenda and her mom live in a small town in Louisiana where Florenda's mom works as a nurse. On the last day of school, everyone is looking forward to summer break when the principal makes an exciting announcement. Starting at the beginning of the new school year, Florenda's school will offer a band class. Florenda is super excited and knows right away that she wants to play the clarinet. As soon as Florenda's mom gets home, she tells her the exciting news and her mom agrees to take her to the instrument store in the next few days.
