Bart Curlish and Nadia Vulvokov are trapped in a traumatic time loop. The two women seek help from Dirk Gently's Holistic Detective Agency, but it's hard for Dirk and the others to solve a case they forget each time the loop restarts. Meanwhile, the timelines begin to fracture in new and alarming ways. Will Dirk and Co. solve the case before it's too late?

When Sam and Dean hear about the death of millionaire Patrick Spring and how it happened, they're thinking demon deal. But when it turns into something bigger than they realize, the Winchesters, along with holistic detective Dirk Gently, and his assistant Todd Brotzman, work together to solve the murder. That is, if they can survive the perils that await them solving it.

Blackwing sent a young Svlad to a school in Sheffield. After hitting rock bottom during Cambridge, he escaped to America. Now he's Dirk Gently, and happy with his new friends and work. He's accepted himself. Then a case sends them to Sheffield and the old boys, and Dirk wonders if he can escape his past without them discovering it. The boys swear so much so M rating!

The members of the Holistic Detective Agency have dealt with time travel before - but not like this. An owl on a kitchen table at 4:30 in the morning leads to a case that, at first, doesn’t seem like their thing. Set during Harry Potter and the Goblet of Fire, how will the team handle Hogwarts? And what will happen when another remnant of Project Blackwing emerges from the shadows?