Oliver employs his theater director skills to analyze the case. Charles & Mabel question an obsessive cat lover.

Mabel brings her new friends (and an old one) to her childhood home to meet her mother. Meanwhile, Detective Williams starts to have her own doubts about the case as she prepares for motherhood.

With the investigation scratching at a web of old crimes originating inside the building, a mysterious young man turns the tables to spy on Charles, Oliver & Mabel.

Hitting a dead end, the group calls for reinforcements in the form of their podcast’s Superfans.

Charles, Oliver and Mabel welcome an unexpected young visitor who reveals hidden secrets about the inner workings of the Arconia. We also discover Charles once recorded a hit single that was huge in Germany.

Mabel hosts a party for an electric art crowd which also serves a double purpose for smoking on a liar in the trios’s midst.

Closing in on the killer, Mabel takes her investigative talents into the ring. Oliver and Charles duke it out over a birdcage only to end up confronting their deepest paternal struggles.