With society divided by a new technology claiming to alert people on the day of their death, thousands sign up, and on day one, dozens receive their calls, including two boys destined for love until one receives the first End Day call.

In this story that incorporates Spanish words, Marta explores the world of opposites and animals.

Nine-year-old Emily Ramirez, who lives with her sisters on an animal rescue ranch, earns a reputation as a horse whisperer after calming Midnight, a mustang that others cannot control.

Ten-year-old Abby Ramirez, who is on the autism spectrum, has her hands full when an anxious German shepherd, Destiny, shows up at the Second Chance Ranch animal rescue. While Abby helps Destiny learn to trust people again, Abby has to learn to overcome old habits of her own.