Four friends come to an old, abandoned factory in Lower Silesia, where their friend went missing a year ago. While trying to unravel the mystery of his disappearance, they discover the terrifying experiments conducted in the factory.
Alone follows a writer seeking peace and solitude in the countryside in an attempt to recover from tragedy and finish her book. However, as the welcoming country house turns into a living hell, she soon realizes that her inner demons are not the worst of her problems.