Maggie Atwood and Becky McCabe, mother and daughter, both champion riders, vowed to never, ever, go up against one another. Until the tense, harrowing competitions leading to the Paris Olympics. Mother and daughter share a dream: to be the best horsewoman in the world.

Cyclists Zoe and Kate are friends and athletic rivals for Olympic gold, while Kate and her husband Jack, also a world-class cyclist, must contend with the recurrence of their young daughter's leukemia.

Two years ago Jack Morgan---the head of the renowned worldwide investigation firm Private--was in charge of security for the World Cup in Bazil. During the championship final, the action nearly spilled from the field into the stands. Fortunately, Jack and his team averted disaster on football's biggest stage. Now he has returned to Rio to secure the Olympics. But before the torch is lit, the threats come fast and furious as Jack discovers that someone...

"For Sera Wheeler, the Olympics is the reason for everything. It's why she trains thirty hours a week, starves herself to under 100 pounds, and pops Advil like Tic Tacs. For her mother, Charlene, hungry for glory she never had, it's why she rises before dawn to drive Sera to practice in a different state, and why the family scrimps, saves, and fractures. They're why when Sera's best friends reports the gymnastics doctor to the authority who selects...