MADISON IS SARAH'S NEIGHBOR AND DIABLO'S OWNER. A JUMPING ACCIDENT LEAVES DIABLO HURT AND IT WAS ALL MADISON'S FAULT. MADISON HAS SARAH WORK WITH DIABLO SO THAT HER PARENTS WON'T SELL HIM IF HE DOESN'T LET HER RIDE HIM AGAIN. SARAH'S SUCCESSFUL. AND DIABLO STAYS WITH MADISON.