Muriel buys a necklace at a store in which two pictures can fit inside. She puts a picture of herself and Courage on one side, and Eustace on the other side. After they leave the store, Eustace’s truck crashes into a swamp. Muriel and Courage have to help push Eustace’s truck out of the mud. Muriel loses her necklace in the swamp while pushing the truck. A swamp monster finds it, opens it up, and looks at Muriel’s picture. He thinks it’s his long lost bride swamp monster. He goes to the Bagge house and kidnaps her. He brings Muriel to the swamp in a wedding dress. Courage finds the real swamp bride and brings her back to him. Courage rescues Muriel.