Where Do I Belong?

While Susan continues to undergo dialysis, she is stunned when her flighty mother, Sophie, along with her Aunt Claire, pays a visit but won't agree to get tested to see if she would be a potential kidney donor candidate.<br> Meanwhile, not knowing where biological daughter Grace is causes Gaby to turn her feelings of loss into an obsession; Lynette exacts revenge on Tom after she learns about his past with Renee, and Bree tries to befriend a friendless Beth Young.