 When Mother Superior refuses to tell her where Maggie is, Lisa discovers that they are seeking a jewel.Lisa's first clue is to "seek God with heart and soul," which she correctly interprets as playing a few measures of the song by the same name on the convent's organ, activating a Rube Goldberg contraption.She next is told to find the "biggest man-made ring" in Springfield; at first, she assumes it is circular rings, but she learns the biggest ring is the Springfield Bell Tower.