The episode marks the return of Dominika Petrova to the series for a mini-arc, and guest stars José Zúñiga as the immigration official.
House treats a marriage expert who collapses during a seminar.
House's attention is focused on his own "marriage" when his green-card wife Dominika returns in order to prove to the immigration authorities that she and House are in a "bona fide" marriage.
House also decides to formally appoint one of his fellows as the team leader.
Final diagnosis: Silent thyroiditis secondary to polyglandular autoimmune syndrome type III.