After Lucky Prescott arrives in Miradeo, she struggles to fit in, but not before befriending a wild stallion, Spirit, who has been wrangled for taming.

Lucky persuades Pru Granger to teach her the basics of riding a horse so that she and Spirit can participate in the Saddle Club race.

Lucky decodes her father's treasure map whilst camping, sneaking off with Pru, Abigail and Spirit to find the treasure.

Lucky and Maricela create a booth for a school fundraiser in the hopes of gaining Lucky Student of the Month, pitting themselves against Pru and Abigail.

Lucky and Turo plot to save a horse that is being neglected by his owner, whilst Lucky's father works on fixing a damaged dam before it becomes a danger to anyone.

Lucky has Abigail help her plan Pru the best surprise birthday ever, but it soon begins to go badly.