The Nash family is close-knit. Tom is a popular teacher and the proud father of two well-adjusted teens: Eli, a hockey star and girl magnet, and Deenie, a diligent student. But the Nashes' seeming stability is thrown into chaos when Deenie's best friend is struck by a terrifying, unexplained seizure in class. Panic spreads through the family, the school, and the community when no cause can be discovered for the mysterious illness. Soon more girls...

Katie and Eric Knox have dedicated their lives to their fifteen-year-old daughter Devon, a gymnastics prodigy and Olympic hopeful. But when a violent death rocks their close-knit gymnastics community just weeks before an all-important competition, everything the Knoxes have worked so hard for feels suddenly at risk. As rumors swirl among the other parents, revealing hidden plots and allegiances, Katie tries frantically to hold her family together...

After a suspicious suicide, the members of a high school cheerleading squad, along with their new, perfectly cool coach, Colette French, are drawn into the investigation.