Tom is a lonely young man During a burglary with his best friend he becomes obsessed with the victim Lars a young history lecturer who lives in the apartment Tom starts to observe Lars secretly and pursue him without revealing his existence or feelings for him At the same time Tom is developing a second obsession to a motorcyclist that he occasionally sees More and more Tom gets lost in a labyrinth of passions As Lars discovers him the persecutor becomes the persecuted leading to a shocking confrontation