A couple travels across the ocean in search of a diagnosis from House.
Summer discovers the truth about Seth. Kirsten and Julie take their matchmaking business too far. Marissa tells Johnny how she feels. Kaitlin wonders which Cooper he really likes.
Nick gets caught between father/son clients when the sale of their family department store becomes complicated with a class action lawsuit from several African American customers claiming discrimination.
Roberts and Harm investiage Jenny's strange behavior leading up to an important trial date.
Vaughn, who has now lost counter-mission approval to Jack, angers Sydney when he suggests that Jack had set up Irina during the Madagascar mission.