Following World War II in peacetime Scotland, brigade headquarters replaces commanding officer Major Jock Sinclair, a boisterous battalion leader, with the strict, temperamental Lieutenant Colonel Basil Barrow. Resentful toward his replacement, Sinclair undermines Barrow's authority and damages his successor's reputation among the soldiers. Barrow faces an uphill battle in regaining the discipline and respect of his battalion.

Naive Stanley Windrush looks for a career in a family business. Much to his dismay, he finds work at a munitions factory where he has to start from the bottom, while both the management and the labor union use him as a tool in their fight for power.