Noa is a young and vulnerable sex worker from South Korea who moves to an apartment complex in Madrid to start afresh. However, he soon discovers that the place has a dark side, with sadistic secrets and forbidden desires lurking within its walls. Despite initially seeming ordinary, the inhabitants reveal their predatory nature, and Noa becomes the object of their depraved obsessions due to his beauty and overt sexuality. He undergoes a series of harrowing experiences, including mutilation and torture, that blur the lines between pain and pleasure. These ordeals shatter Noa's psyche and sense of self as he tries to survive in a world where societal norms are defied. Noa is trapped in a world of perversion and violence and he's struggling to hold onto his humanity. He's haunted by his captors and his own desires, becoming a pawn in their game of dominance and submission. The film takes a dark turn, leaving Noa's survival uncertain. Will he escape and reveal the horrors of the apartment complex, or will he be lost forever to despair?