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!
Well, their immense power is 
going to be a problem.
.ستكون قوّتهما الهائلة مشكلة كبيرة
Deren Bärenkräfte
könnten ein Problem werden.
Esa fuerza física será un problema.
Esa fuerza física va a ser un problema.
Leur puissance
va nous poser problème.
Quella forza fisica è un bel problema.
Bem, o poder imenso
deles será um problema.
Впечатляющая сила…
Придётся повозиться.