The story of Willow, a strong, beautiful, independent minded young girl from Malibu who is determined to find the father she has never known. She finds Jack, her father, a rugged cowboy, far from home in the wild Sierra Nevada Mountains. Jack, who used to run a dude ranch, now breaks and sells wild horses to make ends meet. As Jack and Willow struggle to understand each other's ways, Willow makes a connection with an untameable mustang, Bravo which she becomes determined to set free. Jack's rivals , Grizz and his son Duke, seek to claim the beautiful mustang also. Wild Hearts is a movie filled with adventure, beauty and self-discovery.