Calling all thriller fans! Mark your calendars because the edge-of-your-seat thriller, The Copenhagen Test, is coming to Channel 4 next week.

The eight-episode espionage series stars Simu Liu as a first-generation Chinese-American intelligence analyst Alexander Hale, who discovers that his brain has been hacked using new technology, giving the perpetrators unprecedented access to everything he sees and hears.

Simu Liu as Alexander in The Copenhagen Test © Amanda Matlovich/PEACOCK
Simu Liu stars as Alexander in The Copenhagen Test

The production team are well versed in bringing gripping drama to the screens, with creator, writer and co-showrunner Thomas Brandon having previously penned for the supernatural series, Legacies, while Jennifer Yale, who is co-showrunner and writer, has producer credits on Outlander and Your Friends and Neighbors.

Intrigued? Here’s all you need to know…

What is The Copenhagen Test about?

The story follows Alexander Hale, a first-generation Chinese-American intelligence analyst working for the covert organisation The Orphanage, which oversees all other U.S. intelligence agencies.

THE COPENHAGEN TEST -- Simu Liu as Alexander © Christos Kalohoridis/PEACOCK
The series comes to Channel 4 on Wednesday 8 April

Disillusioned with his current role, Alexander applies for a newly formed organisation. However, he fails to mention his recent bout of migraines and panic attacks and quickly discovers that his brain has been hacked, with the perpetrators having access to everything he sees and hears.

The full synopsis reads: “The Copenhagen Test follows first-generation Chinese-American intelligence analyst Alexander Hale (Simu Liu), who realises his brain has been hacked, giving the perpetrators access to everything he sees and hears. Caught between his shadowy agency and the unknown hackers, he must maintain a performance 24/7 to flush out who’s responsible and prove where his allegiance lies.”

Melissa Barrera, Sinclair Daniel, Brian d’Arcy James, Mark O’Brien and Kathleen Chalfant also star.

What have viewers said about the show?

It’s safe to say the thriller went down a storm with US audiences, having first premiered on the American streaming service Peacock in December.

THE COPENHAGEN TEST Brian d'Arcy James as John, Sinclair Daniel as Parker © Christos Kalohoridis/PEACOCK
Brian d’Arcy James and Sinclair Daniel also star in the espionage series

Taking to social media, viewers hailed the series as “incredible,” with many glued to their TV screens.

One person wrote: “Watched #TheCopenhagenTest on the 31 Dec and 4 days later I still can’t stop thinking about it. It’s a brilliant watch. It has the exact amount of suspense you need in a spy thriller to continue watching and questioning everything. Loved the plot twists,” while another added: “Just started it and can’t stop watching it!”

THE COPENHAGEN TEST -- Melissa Barrera as Michelle -© Christos Kalohoridis/PEACOCK
Melissa Barrera plays Michelle in the eight-part thriller

A third viewer penned on X: “The Copenhagen Test gets a 10/10 from me. I binged the last three episodes without touching my phone,” while another hailed the show as the “perfect weekend binge”.

How to watch The Copenhagen Test

The series launches on Channel 4 on Wednesday 8 April at 9pm.