Lynette fights back when her mother, Stella (Polly Bergen), tries to force the Scavos to pose for a family portrait with her obnoxious new husband, Frank. Meanwhile, Susan is presented with a kidney donation from an unlikely source, Gaby refuses to confront her past while undergoing therapy to discover what's causing her underlying obsession with her doll, Bree continues to keep the existence of Keith's son a secret from him, and Mike reaches out to biological son Zach to see if he was involved in adopted father Paul's shooting.