A young theater enthusiast, desperate to find her path in life, decides to spend the night in a London subway station. What begins as a nighttime adventure to break the routine quickly transforms into a nightmare when she realizes she is trapped underground. As she searches for an exit, she encounters a stranger who seems to know the place like the back of his hand.
This man, kind yet unsettling, insists on "keeping her company," and his soon-overbearing demeanor quickly turns into a disturbing obsession. As the night unfolds, the young woman realizes he has a dark past, filled with secrets and a violent nature that becomes increasingly evident. Tensions rise when they discover they are not alone. A group of people has also been trapped in the forest of abandoned subway cars.
Overwhelmed by terror, the protagonist is forced to confront not only her captor, who becomes a true predator, but also her own fears. With no options and the pressure of chilling situations, she will fight for her survival in an emotional journey that explores the limits of fear and vulnerability. Every dark corner of the subway becomes a battleground between hope and despair, leading the audience to a terrifying climax they won't forget.