Dirk, Todd, and Farah are happily reunited and begin to investigate what Dirk believes is the case. They follow strange clues and discover the body in the car that fell out of the tree connects to one of Sheriff Hobbs’ cold cases, which concerns a missing couple and their missing son.

While investigating the 40-year-old case of the two dead bodies, Dirk and the gang are surprisingly joined by Bart, who relays that she was assaulted and spins the case in a new direction — an investigation into Suzie Boreton. Elsewhere, Amanda attempts to follow the clues from her visions, unaware that Blackwing is closing in.

As we grow closer to an answer about the case and the identity of "The Boy," our villains converge to stop our heroes with a shocking outcome.

With evil forces converging, Dirk Gently must take charge to rescue the feuding Brotzman siblings from certain death. While in Bergsberg, Panto offers Bart a better life, as Farah and the police contend with the disappearance of Todd and Dirk.

As Wendimoor falls into chaos, The Mage enacts his final solution, putting both worlds in dire jeopardy and forcing our heroes to face off against the season-long villains. Amanda and Todd must overcome their differences to help Dirk.

Dirk fulfills the prophecy and restores order by courageously returning to Blackwing to where it all began. Todd and Amanda go toe-to-toe with the villainous Suzie Boreton.