Someone shoots at Serbian tycoon Vladan Simonovic. This makes Vladan initiate a private investigation that will open up "Pandora's box" with respect to his past and will lead to conflicts linked with the future of his mighty company.

Stevan Jakovljević, a biology teacher and World War I veteran who fought for the Serbian army, arrives to the celebration of the twentieth anniversary of the end of the war and the opening of an ossuary in the village where he used to be stationed with his first company, the Fifth Artillery Battery. There he encounters only the aged Commander, and through their flashbacks we see the fate of the Fifth Battery which was disbanded in that very village.

Petar Lubarda, a young medical student, leads a secret life as one of the best drivers of "Serbian Roulette" - illegal street-races taking place during nighttime in downtown Belgrade. His older brother Mihajlo, once a top driver of "Roulette" himself, now a renowned anesthesiologist, gets involved in a maze of blackmail, conspiracy and revenge, when a former childhood friend Boban, a corrupt police inspector, threatens to incarcerate Petar for the deadly crash he supposedly done. In disturbing search for his brother, Mihajlo is drawn into a tangled web of corrupt Belgrade police, immense dark labyrinth of Secret service and brutal world of "Serbian Roulette". The search turns into his personal pursuit of meaning of life, and literally, into the race of life and death.

A young lieutenant must persuade a captive resistance fighter to betray his comrades, or enforce a law which states that for every German soldier killed, one hundred civilians must be executed.

This is a story about the soldiers of a cannon battery in the First World War that, like hundreds of thousands of others, made the glory of the Serbian army become immortal.