Anya has to write a report about an occupation she's interested in, so she ends up going to Loid's place of work, Berlint General Hospital. As soon as Loid was out of sight, Anya starts to explore!

Anya becomes very interested in deciphering codes after seeing it done in her spy cartoon, so she makes her own code and sends Loid and the others secret messages. Will they be able to crack the codes?!

Fiona, who works at Loid's hospital, happens to actually be the female WISE agent Nightfall. She is irritated that Operation Strix is facing delays, so she suggests that she becomes Mrs. Forger instead. She also decides to show up at the Forger household unannounced and comes face to face with Yor!

Anya loves the penguin plushie that Loid got for her, and even sleeps with it. However, a pale shadow shoots jealous glares in the penguin's general direction...

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!

The underground tennis tournament is finally heading to the final match. The Campbell siblings that Loid and Fiona are up against are playing dirty, as they have altered tennis rackets as well as the staff helping them out. But the spy pair from WISE overcome one obstacle after another and Loid deals the final blow! But right after the match, the State Security Service finds out about the dossier and infiltrates the tournament...

Yor becomes anxious about their pretend marriage after Fiona shows up. Loid notices this and thinks that Yor had started to develop romantic feelings towards him. For the sake of the mission, he flips on his Twilight mode.

Becky takes Anya to the department store so they can buy Anya some cute clothes. She uses her rich girl powers and rents out a whole shop where they start their own little fashion show.

Becky is very excited about a romantic drama on TV, so she heads over to the Forgers' place to see Loid, who she fell in love with instantly after seeing his picture. Becky aggressively pursues Loid.