The returning saga of Cloud, the wild stallion, finds us back in the Arrowhead Mountains of Montana. Cloud is one of two fathers who bring up each other’s sons. Bolder is his by birth, while Flint, sired by another stallion, is the colt Cloud raised. Now, Bolder has gathered some mares of his own, and Flint has joined a group of bachelor stallions. Who will rise to challenge the mighty Cloud?