During the final year of WWII a young member of the 104th Infantry Division's first contact with the enemy subverts his expectations.

Reckless scientist Louis Slotin sacrifices his own life to save his colleagues during a criticality incident involving a plutonium core known as Rufus. While Slotin fights for his life against third-dimensional burns – his friends, colleagues, and family will stop at nothing to be at his side.