The group begins researching the victim. Meanwhile, Mabel’s secretive past starts to be unraveled.

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

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’s incident on the subway leads her to gain help from an unlikely ally. Their journey takes them to a legendary amusement park which turns out to be full of terror — while amusements and evidence reside back in the Arconia with Charles and Oliver.

Charles finds an unexpected source for a major clue. A Broadway icon comes knocking at Oliver’s door. And Mabel forms an alternate trio to pursue a lead that sheds light on Ben’s bro and CoBro history.