Katia (Kostrzewa), a young Polish woman adrift in London, meets Bob (Brake), an American tattoo artist. Katia is drawn to his mysterious aura and the taboo culture of body modification, but Bob has a dark, secret desire to leave his mark on the world and little does Katia know that her fascination with him will put her life in danger.

Tomaz, an ex-soldier now homeless in London, is offered a place to stay at a decaying house, inhabited by a young woman and her dying mother. As he starts to fall for Magda, Tomaz cannot ignore his suspicion that something insidious might also be living alongside them.