With WWI finally ending in 1918, Croatian journalist Kresimir Horvat travels from Zagreb to his village of Vucjak in Zagorje and becomes a witness of history as Austria-Hungarian Empire dissolves.

UN agents Mike Graham and Sabrina Carver are sent by their director Nick Caldwell to investigate the theft of Rembrandt's painting, "The Night Watch". The trail takes them from Amsterdam to Hong Kong and involves them in not only art theft and forgery, but the high-tech schemes of Martin Schraeder and his Korean cohort Mao Yixin

A young pianist joins the partisans because he decides not to play for the Germans before the scheduled concert. By taking a random path, guided by his conscience, he was initially accused of being a spy. The young pianist will feel a certain uneasiness among the partisans all the time, thinking that the task of the moment is only a direct struggle with the enemy.

The series follows the capture of the inserted Ustashas during Operation Guardian in 1947-1948.

Melkior Tresic is one of many intellectuals in 1941 Zagreb who is helplessly waiting for the encroaching war.

The plot takes place in Croatia during and immediately after the April war in 1941. The protagonists are a group of soldiers of the Royal Yugoslav Army of Croatian nationality, some of whom will join the Ustashas and the newly founded NDH after the war, and some the anti-fascist movement.