Corduroy longs for someone to take him home, but he searches for his missing button around the department store first. When the zookeeper leaves the door open, the happy lion decides to walk through town to visit his friends. Big diesel engines threaten to run Mike Mulligan and his old steam shovel, Mary Anne, out of business. A mother's love and a baby's smile bond the two together. Silly Auntie will try anything to get Baby to smile. Two owls discover...