In its first season, the show reveals the mystery of why Mary Alice took her own life and the quest by a mysterious "plumber" named Mike Delfino (James Denton) to find out the fate of his former lover, drug addict Dierdre. By the end of the season, the show resolves the mystery with the revelation that 15 years ago, when Mary Alice's name was Angela Forrest, she buys the heroin-addicted Dierdre's only son Dana, and then flees with her husband Todd (now Paul) to Fairview (the town Hous ...[Read Story ]