Loid and Nightfall Go Undercover

In Spy x Family Episode 22, the secret Zacharis Dossier threatens to ignite a war between the East and West. To secure it, Loid and Fiona (Nightfall) infiltrate an underground tennis tournament run by Campbell, the owner of the painting hiding the files.
Disguised as a married couple, Loid and Fiona compete in intense tennis matches. If they win the tournament, the valuable artwork—and the key to preventing war—will finally be revealed.