The Entertainers Community on Instagram: "Desperate Housewives Season 4 deepens the drama and mystery on Wisteria Lane while keeping its sharp humor intact. The season introduces Katherine Mayfair, a new neighbor whose perfect image hides dark secrets that slowly unravel. Susan struggles with life after divorce and unexpected complications, forcing her to confront independence and responsibility. Lynette faces one of the most emotional arcs of the series as she battles a serious illness while tr