Animation about ten-year-old twins Wayne and Lucien Cramp - brothers who are complete opposites of one another. Lucien finds an abandoned egg in the swamp, which Tony identifies as belonging to a corn-warbler. Unfortunately these rare eggs are cherished by the Swamp People who use them in their swamp magic. Lucien begins to mother the egg and even Mr and Mrs Cramp take a shine to it, but Wayne soon begins to feel left out and is resentful.