Griffin Bing is in big trouble when a Super Bowl ring disappears from his middle school's display case, replaced by Griffin's retainer, and the more he and his friends investigate, the worse his situation becomes.

Twelve-year-olds Reef and Theo have a mutual problem: their memories are getting mixed up, and that means that Reef is losing his memory of his mother, recently dead of COVID, which terrifies him--but for Theo his new memories are helping him deal with his domineering father.

When eighth-grader Cameron Boxer creates the Positive Action Group at school he intends it as a diversion to fool his parents, teachers, and sister into letting him continue to concentrate on his video-gaming--but before he knows it other kids are taking it seriously, and soon he finds himself president of the P.A.G., and involved in community service, so the boy who never cared about anything is now the center of everything, whether he likes it or...