The Year I Lost My Mind 2017 on netflix

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.