Netflix fans have rushed to watch Vicky McClure's perfect-rated BBC drama after being added to the platform.
The Replacement, which originally aired in 2017, joined the streamer last week – and it has already become a huge viewer success.
The psychological thriller currently sits at the number 4 spot in the UK Top 10 most-watched shows, only behind Adolescence, The Residence and Harlan Coben's Caught.
The series follows Ellen (played by The Bay's Morven Christie), who hires a woman called Paula (McClure) to cover her job when she goes on maternity leave, though she quickly "fears she has made a terrible mistake" when her replacement starts to take over her life.
"Paula wastes no time in moving in on Ellen's bosses, clients and friends, and Ellen fears she is being forced out," the synopsis adds. "Everyone thinks Paula is great and Ellen is being paranoid, until a site accident puts Ellen's suspicions into overdrive."
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The Replacement was written and directed by Joe Ahearne, and currently sits at a 100% fresh rating on Rotten Tomatoes.
While the series was called "pitch-perfect" by Metro and "the juiciest melodrama since Doctor Foster" by The Times, audience responses to the show were slightly more mixed.
McClure is perhaps best known for playing DI Kate Fleming in the BBC's Line of Duty, which has been rumoured for a return recently.
Addressing speculation of another season recently, co-star Anna Maxwell Martin quipped to Metro: "I would be killed by a sniper over there, so…," while Martin Compston admitted earlier this month that there's "nothing coming soon".
The Replacement is available to stream now on Netflix in the UK.
Sam is a freelance reporter and sub-editor who has a particular interest in movies, TV and music. After completing a journalism Masters at City University, London, Sam joined Digital Spy as a reporter, and has also freelanced for publications such as NME and Screen International. Sam, who also has a degree in Film, can wax lyrical about everything from Lord of the Rings to Love Is Blind, and is equally in his element crossing every 't' and dotting every 'i' as a sub-editor.
