Season 1 of Wildfire premiered on June 20, 2005.

Kris Furillo is given the opportunity to start a new life after serving time at a teen detention center. Her talent with horses is recognized by a volunteer and local trainer Pablo, who arranges a job for her at the Ritter's family run ranch, Raintree. Thrown into a completely new environment, Kris must learn to deal with the challenges of fitting in, and forming fiery relationships, marrying the least favourable, while trying not to disappoint the one family willing to give her a chance. The Ritters are facing challenges of their own even as they reach out to help Kris. Patriarch Henry Ritter and his daughter Jean are in a critical stage of their battle to save the ranch from financial ruin. Kris and Wildfire must help them get back on the map in the world of horse racing.

Season 2 of Wildfire premiered on January 2, 2006.

Season 3 of Wildfire premiered on January 1, 2007.

Season 4 of Wildfire premiered on January 21, 2008.

Kris made her choice. Yet instead of everything coming together, everything's falling apart. She feels torn between her new relationship with Matt and her friendship with Junior. Changes are happening fast and furious, and no one knows how things will turn out. Raintree's in turmoil. Pablo's gone. The future feels uncertain. And all anyone can do is wonder... what happens next?