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When you’re craving a night of intrigue, mystery, and clever plotting, a powerful investigation thriller is just the ticket. Whether you’re piecing together clues alongside determined detectives or witnessing conspiracies unravel before your eyes, these films keep your mind spinning. Ready to stay up all night? These gripping thrillers will make you feel like the mastermind detective on the edge of cracking the case.
1. Reptile (2023)
Why Watch: Benicio del Toro delivers a gritty, methodical performance as a detective drawn into a haunting conspiracy during a murder case investigation. A slow-burning mystery with Fincher-esque tension and sharp visuals.
Where to Watch: Netflix UK
2. The Stranger (2022)
Why Watch: An undercover cop befriends his prime suspect in a child abduction case—but trust fractures fast. Joel Edgerton and Sean Harris deliver gripping performances in this psychological cat-and-mouse game.
Where to Watch: Netflix UK
3. Rogue Agent (2022)
Why Watch: Based on a real conman’s story, this British thriller turns investigation on its head. With Gemma Arterton tracking James Norton’s fake MI5 agent, deception and tension reign.
Where to Watch: Netflix UK
4. Searching (2018)
Why Watch: A gripping “screenlife” mystery told entirely through devices—when a father searches for his missing daughter, every chat, login, and photo is a clue. Immersive and emotionally intense.
Where to Watch: Prime Video UK
5. To Catch a Killer (2023)
Why Watch: A troubled Baltimore cop teams with the FBI to stop a sniper on a deadly streak. Amid escalating tension, the boundaries between justice and obsession blur.
Where to Watch: Netflix UK
6. Revelations (2025)
Why Watch: A suburban pastor’s vigilante worldview collides with a detective’s convictions. This genre-blurring Korean thriller blends moral ambiguity with dark thriller tropes—and a jaw-dropping single-take climax.
Where to Watch: Netflix UK
7. Maargan (2025)
Why Watch: A high-ranking cop races against time to solve a brutal underwater murder while confronting hidden motives. Stylish, tense, and visually arresting.
Where to Watch: Prime Video UK
8. Blink Twice (2024)
Why Watch: What starts as a luxurious getaway descends into psychological terror. When one friend vanishes, paranoia spreads—and the truth becomes the deadliest mystery.
Where to Watch: Prime Video UK
9. Weapons (2025)
Why Watch: Following a chilling disappearance of nearly an entire class of children, this mystery thriller unfolds in haunting chapters that build dread and question reality at every turn.
Where to Watch: Paramount+ UK
10. The Infernal Machine (2023)
Why Watch: A tormented author receives mysterious letters that blur fiction and obsession. What begins as a search for understanding spirals into a dangerous psychological maze.
Where to Watch: Paramount+ UK
Final Thoughts
If you love puzzle-driven stories, morally ambiguous characters, and endings that make you question everything, these investigation thrillers are perfect for your next streaming session. From dark conspiracies to psychological puzzles, each one provides the kind of tension that keeps you peeking through your fingers—and coming back for more.
