The secret files called the Zacharis Dossier may cause a war between the East and the West. In order to obtain a painting that is supposed to be the hiding spot for these files, Loid and Fiona enter an underground tennis tournament run by the owner of the painting, Campbell. If they win, the art piece they're after will be presented. Loid and Fiona enter as a married couple and play various skilled players including pro players!
Ah... So many people are seeing 
us as husband and wife.
.آه... يرانا العديد من النّاس كزوج وزوجة
Hach, all die Leute sehen uns als Ehepaar.
Ay. Esta multitud se cree
que somos matrimonio.
Ay. Esta multitud se piensa
que somos matrimonio.
Ah... Tutta questa gente 
ci considera una coppia di sposi!
Ai, tanta gente nos vê como casados...