A mysterious stalker from Adam's past shows up on Wisteria Lane; Danielle's baby puts stress on Bree and Orson's marriage; Lynette has a reunion with her long-lost stepfather; Gaby and Carlos try to figure out how to explain Victor's disappearance.

Following the tornado, Wisteria Lane residents begin to rebuild their lives, but with Mrs. McCluskey's house completely destroyed, Lynette faces the possibility that her family and Ida Greenberg didn't survive. Meanwhile, Katherine finds out that someone knows the truth about her mysterious past.