The long-awaited Luther movie, Luther: The Fallen Sun, has received an R rating from the MPA. The surprisingly harsh rating teases the darkness and violence that will befall the detective, with an R rating coming as a result of “disturbing/violent content, language and some sexual material.” It certainly sounds like John Luther may regret coming back…

Luther: The Fallen Sun is the epic continuation of the award-winning television saga, which first began in 2010 and ran for five intense seasons. Reimagined for film, Luther: The Fallen Sun begins with a gruesome serial killer terrorizing London, and all while brilliant but disgraced detective John Luther (Idris Elba) sits behind bars.

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Haunted by his failure to capture the cyber psychopath who now taunts him, Luther decides to break out of prison to finish the job. And, this being DCI John Luther, that job will be finished by any means necessary.

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Andy Serkis Has Teased the Dark Depths That Luther: The Fallen Sun Will Plumb

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Starring alongside Elba in Luther: The Fallen Sun is War for the Planet of the Apes and Andor star Andy Serkis, who is set to portray the main antagonist, David Robey, a tech billionaire who uses surveillance technology to manipulate and kill civilians. Serkis has previously teased the dark depths that Luther: The Fallen Sun will plumb, with the actor and master of motion capture revealing that he wanted to hurl the script into the trash and take a shower to wash off the wickedness and the sin.

“When I first read the script, I almost wanted to throw it in the bin and have a shower. I don’t think I’ve come across anything quite as dark for a long time,” Serkis revealed. “And I thought: ‘In fact, do I really actually at this point in the world and time and my life, want to go down this particular rabbit hole of something that’s so hard to fathom in humanity?'”

Not only will things get dark, but they will also tap into realistic, grounded fears about the world we live in. “Robey really just comes from this tension between morality and ethics,” writer Neil Cross explained. “True morality is the kind of behavior that you exhibit when you know that nobody is watching. But we’ve ceded lots of that private behavior to the semi-private forum of the internet. The things of which we are ashamed, the things we think that we’re ashamed of thinking, people that would have lived isolated lives but possibly never expressing their desires or their anxieties – or their interests, shall we say? – they find communities. I’m terrified by the idea that somebody, in fact, is watching.”

Luther creator Neil Cross returns to write Luther: The Fallen Sun, with Jamie Payne, who directed several episodes of Luther Season 5, at the helm. Led by Idris Elba, Luther: The Fallen Sun also stars Andy Serkis, Cynthia Erivo, Dermot Crowley, Jess Liaudin, Lauryn Ajufo, and Natasha Patel.

Luther: The Fallen Sun is scheduled to be released in select cinemas on Feb. 24 before its streaming release on Mar. 10 by Netflix.