Twelve-year-old Chase and his friend Nicole Rossi attempt to rescue the Rossi Brothers' Circus--lions, tigers, elephants, and all--in Mexico, where a massive earthquake has struck, leading to the imminent eruption of a volcano.

Determined, after his mother's accidental death, to foil his stepfather's plans for his future, fourteen-year-old Jacob travels alone to Africa in search of his father, a biologist studying elephants in a remote area of Kenya.