Kate knows that her Quarter Horse, Chinook, could compete well in the cattle cutting contest at the fair. There's just one problem--the contest is for boys only!

Out on the dusty frontier, Jessie and her Appaloosa mare, Morning Star, search all the trails for the mare's lost foal, Starfire, while a discouraged Jessie blames herself for the foal's loss.

Rosalie tries to find a way to save her beloved Morgan horse, Major, when her father goes away to fight in the Civil War, and her mother decides to sell the horse to make ends meet.

In 1912, ten-year-old Lucy Gordon, living with her family in the foothills of Tennessee's Great Smoky Mountains, determines to prove that their Tennessee Walking Horse, Clipper, is worth far more than her father's new Model-T automobile.

In 1926, ten-year-old Kate, living with her family on a ranch in Alberta, Canada, is convinced that the Quarter horse she receives for her birthday can win the cattle cutting contest at the annual fair and determines to participate even though the contest is open only to boys.

In 1781, twelve-year-old Molly Randall, living with her family in Yorktown, Virginia, finds her courage tested when she must ride a powerful Arabian horse to get help for a neighbor about to be executed for treason by the British.

In 1911, when her family leaves the reservation to live and work on a large Oregon ranch, ten-year-old Jessie decides to forget her Nez Perce upbringing only to realize its true value when she relies on traditional skills to find a lost Appaloosa foal and protect it from being attacked by a cougar.