Two brothers; Laust and Peter grow up under poor but happy in the Danish countryside. Both boys fall in love with the adorable Inge, who in turns loves Peter for his sensitivity and intellect, and Laust for his strength and drive.
Following victories in the First Schleswig-Holstein War of 1848-50, where Denmark defeated a rebel army that fought for independence , Danish political forces are scheming to annex Schleswig into the Danish Kingdom against a treaty signed by the major powers of Europe, sparking a Second Schleswig-Holstein War.
This time, however, Denmark is not facing a small rebel army but two major German powers: Prussia and Austria. Peter and Laust, whose own father died from wounds caused by a German bullet in 1850, quickly volunteer for the army.
150 years later the maladjusted Claudia lives in the same area. On the verge of a breakdown, she’s forced to accept a job as an aide for the 100-year-old Baron at the manor. Here Claudia discovers Inge’s forgotten diary, a tale of thousands of young men that sacrificed their lives in a pointless war.
1864 is the story of Denmark erupting into a war that would become one of the bloodiest in Danish history, culminating in the Battle of Dybbøl in 1864.