The six-part series, which is currently the most watched title on the streaming service, has shocked viewers with its conclusion since its release last week.
While many viewers were unable to predict the direction of the show, others highlight the small details they noticed that pointed to storylines to come.
Behind her eyes follows an adaptation of the 2017 book of the same name by single mother Louise, who starts an affair with her boss, psychologist David, after meeting him in a bar.
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At the same time, she becomes friends with David’s wife, Adele, who is struggling with mental illness. Adele teaches Louise, who suffers from night terrors, how to do an “astral project” – to send her consciousness to another place (in this case a beautiful dream).
The series includes a series of flashbacks showing Adele in a mental hospital with her gay friend Rob.
The twist is that Adele is actually not Adele. Adele is Rob, who managed to swap bodies with Adele with the help of astral projection and then take over her life – including her husband David. He murdered the real Adele trapped in his old body, then pretended to be her and pretended to have died of a heroin overdose.
After watching the series, many viewers praised the ending, one calls it “phenomenal”. Others weren’t that convinced and felt it was too left-wing to work effectively.
However, when a viewer asked other Twitter users if they had found any clues, many responded with those who picked them up.
As highlighted by Twitter user @ adiorx2, a scene shows Adele cooking, which could be an indication that Rob was a cook.
Another moment shows Adele waiting for David in a similar position to Rob when he first met David.