The cast of 'Doctor Foster' have been banned from social media to prevent any storyline spoilers.
The second series of the gripping series will come to an end tomorrow (03.10.17) night and Neil Stuke - who plays Chris Parks in the show - has teased that fans will be left speechless by the unexpected conclusion but, in a bid to keep the finale under wraps, everyone involved in the current instalment have been told to stay away from Twitter, Instagram and Facebook.
Speaking to the Daily Star newspaper, Neil said: "We're not allowed to do anything [on social media]. I couldn't post any pictures of the Maserati I got to drive in last week's episode.
"Everything is under lock and key. The plots are kept top-secret...
"We haven't been able to talk to anybody about it - I didn't even talk to my other half... I think people are going to be really shocked and surprised."
Last week's episode left viewers on the edge of their seats as it saw Simon Foster (Bertie Carvel) march off after successfully destroying his ex-wife Gemma Foster's (Suranne Jones) life.
But, in a huge twist right at the end, the deranged doctor - who sought revenge in the first series after finding out her former flame had been cheating on her with a younger woman and had got her pregnant - followed him in her car and appeared to be on the verge of ploughing him down.
It's not yet known whether Gemma will murder her ex, but Suranne did confirm recently that the series has a "solid ending" - but she'd be open to another instalment if the "story was right."
The 39-year-old actress said: "If Mike [Bartlett, the show's creator] comes up with another story then we'll talk about it. But for now, like the first one, it's got a really good, solid ending."
However, although the second series has received more than six million viewers each week, screenwriter Mike has teased that there may not be an opportunity for a third series.
He said: "Depending on what happens at the end of series two, a third might not be possible. That's all I can say really. I get upset when people describe Gemma as mad. I don't think she is, she's just very angry. If it was a man behaving like that, you say he was fighting back."
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