Lynette’s sister, Lydia (played by Sarah Paulson), visits Wisteria Lane to announce her engagement. This sparks tension as Lynette, whose own marriage to Tom is crumbling, finds it difficult to accept her "relationship-challenged" sister's sudden stability.
Bree becomes increasingly convinced that her detective boyfriend, Chuck Vance, is using their relationship to secretly investigate her. She ultimately decides to break up with him to protect the group. [S8E3] Watch While I Revise the World
Consumed by shared guilt, Susan and Carlos begin meeting in secret to talk through their feelings. Their clandestine behavior leads Susan's husband, Mike, to suspect they are having an affair. Lynette’s sister, Lydia (played by Sarah Paulson), visits