Protest is a 1967 Croatian language Yugoslav film directed by Fadil Hadžić, starring Bekim Fehmiu and Antun Vrdoljak.
Ivo Bajsić (Bekim Fehmiu), a construction worker, commits suicide by jumping off a skyscraper in downtown Zagreb.
Police investigator Marković (Antun Vrdoljak) tries to find out the motives behind his act by interviewing people who knew him: his wife, friends and coworkers.
In flashbacks, Bajsić's history and the events that led to his suicide are gradually revealed.
Marković's investigation finds that he was recently fired from his job because he stood up against his company's corrupt director...