When Louie's father brings home a sickly newborn mini donkey, he's determined to save him. He names him Winslow. Taking care of him helps Louie feel closer to his brother, Gus, who is far, far away in the army. Everyone worries that Winslow won't survive, especially Louie's quirky new friend, Nora. Louie's bond with Winslow grows over time, surprising and life-altering events prove that this fragile donkey is stronger than anyone could have imagined.